57306520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 133993440

約数和(自身を除く): 76686920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 410, 415, 421, 664, 820, 830, 842, 1640, 1660, 1684, 2105, 3320, 3368, 3403, 4210, 6806, 8420, 13612, 16840, 17015, 17261, 27224, 34030, 34522, 34943, 68060, 69044, 69886, 86305, 136120, 138088, 139772, 172610, 174715, 279544, 345220, 349430, 690440, 698860, 1397720, 1432663, 2865326, 5730652, 7163315, 11461304, 14326630, 28653260, 57306520]

約数ペア:

[(1, 57306520), (2, 28653260), (4, 14326630), (5, 11461304), (8, 7163315), (10, 5730652), (20, 2865326), (40, 1432663), (41, 1397720), (82, 698860), (83, 690440), (164, 349430), (166, 345220), (205, 279544), (328, 174715), (332, 172610), (410, 139772), (415, 138088), (421, 136120), (664, 86305), (820, 69886), (830, 69044), (842, 68060), (1640, 34943), (1660, 34522), (1684, 34030), (2105, 27224), (3320, 17261), (3368, 17015), (3403, 16840), (4210, 13612), (6806, 8420)]