90227560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 208422720

約数和(自身を除く): 118195160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 131, 134, 257, 262, 268, 335, 514, 524, 536, 655, 670, 1028, 1048, 1285, 1310, 1340, 2056, 2570, 2620, 2680, 5140, 5240, 8777, 10280, 17219, 17554, 33667, 34438, 35108, 43885, 67334, 68876, 70216, 86095, 87770, 134668, 137752, 168335, 172190, 175540, 269336, 336670, 344380, 351080, 673340, 688760, 1346680, 2255689, 4511378, 9022756, 11278445, 18045512, 22556890, 45113780, 90227560]

約数ペア:

[(1, 90227560), (2, 45113780), (4, 22556890), (5, 18045512), (8, 11278445), (10, 9022756), (20, 4511378), (40, 2255689), (67, 1346680), (131, 688760), (134, 673340), (257, 351080), (262, 344380), (268, 336670), (335, 269336), (514, 175540), (524, 172190), (536, 168335), (655, 137752), (670, 134668), (1028, 87770), (1048, 86095), (1285, 70216), (1310, 68876), (1340, 67334), (2056, 43885), (2570, 35108), (2620, 34438), (2680, 33667), (5140, 17554), (5240, 17219), (8777, 10280)]