23858840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 32543080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 271, 284, 310, 355, 542, 568, 620, 710, 1084, 1240, 1355, 1420, 2168, 2201, 2710, 2840, 4402, 5420, 8401, 8804, 10840, 11005, 16802, 17608, 19241, 22010, 33604, 38482, 42005, 44020, 67208, 76964, 84010, 88040, 96205, 153928, 168020, 192410, 336040, 384820, 596471, 769640, 1192942, 2385884, 2982355, 4771768, 5964710, 11929420, 23858840]

約数ペア:

[(1, 23858840), (2, 11929420), (4, 5964710), (5, 4771768), (8, 2982355), (10, 2385884), (20, 1192942), (31, 769640), (40, 596471), (62, 384820), (71, 336040), (124, 192410), (142, 168020), (155, 153928), (248, 96205), (271, 88040), (284, 84010), (310, 76964), (355, 67208), (542, 44020), (568, 42005), (620, 38482), (710, 33604), (1084, 22010), (1240, 19241), (1355, 17608), (1420, 16802), (2168, 11005), (2201, 10840), (2710, 8804), (2840, 8401), (4402, 5420)]