12554840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 30780000

約数和(自身を除く): 18225160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 499, 629, 680, 740, 998, 1258, 1480, 1996, 2495, 2516, 3145, 3992, 4990, 5032, 6290, 8483, 9980, 12580, 16966, 18463, 19960, 25160, 33932, 36926, 42415, 67864, 73852, 84830, 92315, 147704, 169660, 184630, 313871, 339320, 369260, 627742, 738520, 1255484, 1569355, 2510968, 3138710, 6277420, 12554840]

約数ペア:

[(1, 12554840), (2, 6277420), (4, 3138710), (5, 2510968), (8, 1569355), (10, 1255484), (17, 738520), (20, 627742), (34, 369260), (37, 339320), (40, 313871), (68, 184630), (74, 169660), (85, 147704), (136, 92315), (148, 84830), (170, 73852), (185, 67864), (296, 42415), (340, 36926), (370, 33932), (499, 25160), (629, 19960), (680, 18463), (740, 16966), (998, 12580), (1258, 9980), (1480, 8483), (1996, 6290), (2495, 5032), (2516, 4990), (3145, 3992)]