12538480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 31381920

約数和(自身を除く): 18843440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 113, 146, 152, 190, 226, 292, 304, 365, 380, 452, 565, 584, 730, 760, 904, 1130, 1168, 1387, 1460, 1520, 1808, 2147, 2260, 2774, 2920, 4294, 4520, 5548, 5840, 6935, 8249, 8588, 9040, 10735, 11096, 13870, 16498, 17176, 21470, 22192, 27740, 32996, 34352, 41245, 42940, 55480, 65992, 82490, 85880, 110960, 131984, 156731, 164980, 171760, 313462, 329960, 626924, 659920, 783655, 1253848, 1567310, 2507696, 3134620, 6269240, 12538480]

約数ペア:

[(1, 12538480), (2, 6269240), (4, 3134620), (5, 2507696), (8, 1567310), (10, 1253848), (16, 783655), (19, 659920), (20, 626924), (38, 329960), (40, 313462), (73, 171760), (76, 164980), (80, 156731), (95, 131984), (113, 110960), (146, 85880), (152, 82490), (190, 65992), (226, 55480), (292, 42940), (304, 41245), (365, 34352), (380, 32996), (452, 27740), (565, 22192), (584, 21470), (730, 17176), (760, 16498), (904, 13870), (1130, 11096), (1168, 10735), (1387, 9040), (1460, 8588), (1520, 8249), (1808, 6935), (2147, 5840), (2260, 5548), (2774, 4520), (2920, 4294)]