13105209080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{285641}}^1$

素因数の和:285720

約数の個数: 64

約数和(自身を含む): 31260660480

約数和(自身を除く): 18155451400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 9176, 11470, 22940, 45880, 285641, 571282, 1142564, 1428205, 2285128, 2856410, 5712820, 8854871, 10568717, 11425640, 17709742, 21137434, 35419484, 42274868, 44274355, 52843585, 70838968, 84549736, 88548710, 105687170, 177097420, 211374340, 327630227, 354194840, 422748680, 655260454, 1310520908, 1638151135, 2621041816, 3276302270, 6552604540, 13105209080]

約数ペア:

[(1, 13105209080), (2, 6552604540), (4, 3276302270), (5, 2621041816), (8, 1638151135), (10, 1310520908), (20, 655260454), (31, 422748680), (37, 354194840), (40, 327630227), (62, 211374340), (74, 177097420), (124, 105687170), (148, 88548710), (155, 84549736), (185, 70838968), (248, 52843585), (296, 44274355), (310, 42274868), (370, 35419484), (620, 21137434), (740, 17709742), (1147, 11425640), (1240, 10568717), (1480, 8854871), (2294, 5712820), (4588, 2856410), (5735, 2285128), (9176, 1428205), (11470, 1142564), (22940, 571282), (45880, 285641)]