23456680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 34200920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 571, 632, 790, 1027, 1142, 1580, 2054, 2284, 2855, 3160, 4108, 4568, 5135, 5710, 7423, 8216, 10270, 11420, 14846, 20540, 22840, 29692, 37115, 41080, 45109, 59384, 74230, 90218, 148460, 180436, 225545, 296920, 360872, 451090, 586417, 902180, 1172834, 1804360, 2345668, 2932085, 4691336, 5864170, 11728340, 23456680]

約数ペア:

[(1, 23456680), (2, 11728340), (4, 5864170), (5, 4691336), (8, 2932085), (10, 2345668), (13, 1804360), (20, 1172834), (26, 902180), (40, 586417), (52, 451090), (65, 360872), (79, 296920), (104, 225545), (130, 180436), (158, 148460), (260, 90218), (316, 74230), (395, 59384), (520, 45109), (571, 41080), (632, 37115), (790, 29692), (1027, 22840), (1142, 20540), (1580, 14846), (2054, 11420), (2284, 10270), (2855, 8216), (3160, 7423), (4108, 5710), (4568, 5135)]