12109840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 30712320

約数和(自身を除く): 18602480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 257, 304, 310, 380, 496, 514, 589, 620, 760, 1028, 1178, 1240, 1285, 1520, 2056, 2356, 2480, 2570, 2945, 4112, 4712, 4883, 5140, 5890, 7967, 9424, 9766, 10280, 11780, 15934, 19532, 20560, 23560, 24415, 31868, 39064, 39835, 47120, 48830, 63736, 78128, 79670, 97660, 127472, 151373, 159340, 195320, 302746, 318680, 390640, 605492, 637360, 756865, 1210984, 1513730, 2421968, 3027460, 6054920, 12109840]

約数ペア:

[(1, 12109840), (2, 6054920), (4, 3027460), (5, 2421968), (8, 1513730), (10, 1210984), (16, 756865), (19, 637360), (20, 605492), (31, 390640), (38, 318680), (40, 302746), (62, 195320), (76, 159340), (80, 151373), (95, 127472), (124, 97660), (152, 79670), (155, 78128), (190, 63736), (248, 48830), (257, 47120), (304, 39835), (310, 39064), (380, 31868), (496, 24415), (514, 23560), (589, 20560), (620, 19532), (760, 15934), (1028, 11780), (1178, 10280), (1240, 9766), (1285, 9424), (1520, 7967), (2056, 5890), (2356, 5140), (2480, 4883), (2570, 4712), (2945, 4112)]