90662480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 218611008

約数和(自身を除く): 127948528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 131, 164, 205, 211, 262, 328, 410, 422, 524, 655, 656, 820, 844, 1048, 1055, 1310, 1640, 1688, 2096, 2110, 2620, 3280, 3376, 4220, 5240, 5371, 8440, 8651, 10480, 10742, 16880, 17302, 21484, 26855, 27641, 34604, 42968, 43255, 53710, 55282, 69208, 85936, 86510, 107420, 110564, 138205, 138416, 173020, 214840, 221128, 276410, 346040, 429680, 442256, 552820, 692080, 1105640, 1133281, 2211280, 2266562, 4533124, 5666405, 9066248, 11332810, 18132496, 22665620, 45331240, 90662480]

約数ペア:

[(1, 90662480), (2, 45331240), (4, 22665620), (5, 18132496), (8, 11332810), (10, 9066248), (16, 5666405), (20, 4533124), (40, 2266562), (41, 2211280), (80, 1133281), (82, 1105640), (131, 692080), (164, 552820), (205, 442256), (211, 429680), (262, 346040), (328, 276410), (410, 221128), (422, 214840), (524, 173020), (655, 138416), (656, 138205), (820, 110564), (844, 107420), (1048, 86510), (1055, 85936), (1310, 69208), (1640, 55282), (1688, 53710), (2096, 43255), (2110, 42968), (2620, 34604), (3280, 27641), (3376, 26855), (4220, 21484), (5240, 17302), (5371, 16880), (8440, 10742), (8651, 10480)]