12576940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 28413504

約数和(自身を除く): 15836564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 521, 710, 1042, 1207, 1420, 2084, 2414, 2605, 4828, 5210, 6035, 8857, 10420, 12070, 17714, 24140, 35428, 36991, 44285, 73982, 88570, 147964, 177140, 184955, 369910, 628847, 739820, 1257694, 2515388, 3144235, 6288470, 12576940]

約数ペア:

[(1, 12576940), (2, 6288470), (4, 3144235), (5, 2515388), (10, 1257694), (17, 739820), (20, 628847), (34, 369910), (68, 184955), (71, 177140), (85, 147964), (142, 88570), (170, 73982), (284, 44285), (340, 36991), (355, 35428), (521, 24140), (710, 17714), (1042, 12070), (1207, 10420), (1420, 8857), (2084, 6035), (2414, 5210), (2605, 4828)]