87139760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:942

約数の個数: 80

約数和(自身を含む): 214486272

約数和(自身を除く): 127346512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 857, 1240, 1271, 1640, 1714, 2480, 2542, 3280, 3428, 4285, 5084, 6355, 6856, 8570, 10168, 12710, 13712, 17140, 20336, 25420, 26567, 34280, 35137, 50840, 53134, 68560, 70274, 101680, 106268, 132835, 140548, 175685, 212536, 265670, 281096, 351370, 425072, 531340, 562192, 702740, 1062680, 1089247, 1405480, 2125360, 2178494, 2810960, 4356988, 5446235, 8713976, 10892470, 17427952, 21784940, 43569880, 87139760]

約数ペア:

[(1, 87139760), (2, 43569880), (4, 21784940), (5, 17427952), (8, 10892470), (10, 8713976), (16, 5446235), (20, 4356988), (31, 2810960), (40, 2178494), (41, 2125360), (62, 1405480), (80, 1089247), (82, 1062680), (124, 702740), (155, 562192), (164, 531340), (205, 425072), (248, 351370), (310, 281096), (328, 265670), (410, 212536), (496, 175685), (620, 140548), (656, 132835), (820, 106268), (857, 101680), (1240, 70274), (1271, 68560), (1640, 53134), (1714, 50840), (2480, 35137), (2542, 34280), (3280, 26567), (3428, 25420), (4285, 20336), (5084, 17140), (6355, 13712), (6856, 12710), (8570, 10168)]