8708440520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{937}}^1$

素因数の和:1315

約数の個数: 128

約数和(自身を含む): 21543308640

約数和(自身を除く): 12834868120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 293, 305, 488, 520, 586, 610, 793, 937, 1172, 1220, 1465, 1586, 1874, 2344, 2440, 2930, 3172, 3748, 3809, 3965, 4685, 5860, 6344, 7496, 7618, 7930, 9370, 11720, 12181, 15236, 15860, 17873, 18740, 19045, 24362, 30472, 31720, 35746, 37480, 38090, 48724, 57157, 60905, 71492, 76180, 89365, 97448, 114314, 121810, 142984, 152360, 178730, 228628, 232349, 243620, 274541, 285785, 357460, 457256, 464698, 487240, 549082, 571570, 714920, 743041, 929396, 1098164, 1143140, 1161745, 1372705, 1486082, 1858792, 2196328, 2286280, 2323490, 2745410, 2972164, 3569033, 3715205, 4646980, 5490820, 5944328, 7138066, 7430410, 9293960, 10981640, 14276132, 14860820, 16747001, 17845165, 28552264, 29721640, 33494002, 35690330, 66988004, 71380660, 83735005, 133976008, 142761320, 167470010, 217711013, 334940020, 435422026, 669880040, 870844052, 1088555065, 1741688104, 2177110130, 4354220260, 8708440520]

約数ペア:

[(1, 8708440520), (2, 4354220260), (4, 2177110130), (5, 1741688104), (8, 1088555065), (10, 870844052), (13, 669880040), (20, 435422026), (26, 334940020), (40, 217711013), (52, 167470010), (61, 142761320), (65, 133976008), (104, 83735005), (122, 71380660), (130, 66988004), (244, 35690330), (260, 33494002), (293, 29721640), (305, 28552264), (488, 17845165), (520, 16747001), (586, 14860820), (610, 14276132), (793, 10981640), (937, 9293960), (1172, 7430410), (1220, 7138066), (1465, 5944328), (1586, 5490820), (1874, 4646980), (2344, 3715205), (2440, 3569033), (2930, 2972164), (3172, 2745410), (3748, 2323490), (3809, 2286280), (3965, 2196328), (4685, 1858792), (5860, 1486082), (6344, 1372705), (7496, 1161745), (7618, 1143140), (7930, 1098164), (9370, 929396), (11720, 743041), (12181, 714920), (15236, 571570), (15860, 549082), (17873, 487240), (18740, 464698), (19045, 457256), (24362, 357460), (30472, 285785), (31720, 274541), (35746, 243620), (37480, 232349), (38090, 228628), (48724, 178730), (57157, 152360), (60905, 142984), (71492, 121810), (76180, 114314), (89365, 97448)]