8336840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 19863360

約数和(自身を除く): 11526520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 131, 148, 172, 185, 215, 262, 296, 344, 370, 430, 524, 655, 740, 860, 1048, 1310, 1480, 1591, 1720, 2620, 3182, 4847, 5240, 5633, 6364, 7955, 9694, 11266, 12728, 15910, 19388, 22532, 24235, 28165, 31820, 38776, 45064, 48470, 56330, 63640, 96940, 112660, 193880, 208421, 225320, 416842, 833684, 1042105, 1667368, 2084210, 4168420, 8336840]

約数ペア:

[(1, 8336840), (2, 4168420), (4, 2084210), (5, 1667368), (8, 1042105), (10, 833684), (20, 416842), (37, 225320), (40, 208421), (43, 193880), (74, 112660), (86, 96940), (131, 63640), (148, 56330), (172, 48470), (185, 45064), (215, 38776), (262, 31820), (296, 28165), (344, 24235), (370, 22532), (430, 19388), (524, 15910), (655, 12728), (740, 11266), (860, 9694), (1048, 7955), (1310, 6364), (1480, 5633), (1591, 5240), (1720, 4847), (2620, 3182)]