26408720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 67287360

約数和(自身を除く): 40878640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 379, 520, 536, 670, 758, 871, 1040, 1072, 1340, 1516, 1742, 1895, 2680, 3032, 3484, 3790, 4355, 4927, 5360, 6064, 6968, 7580, 8710, 9854, 13936, 15160, 17420, 19708, 24635, 25393, 30320, 34840, 39416, 49270, 50786, 69680, 78832, 98540, 101572, 126965, 197080, 203144, 253930, 330109, 394160, 406288, 507860, 660218, 1015720, 1320436, 1650545, 2031440, 2640872, 3301090, 5281744, 6602180, 13204360, 26408720]

約数ペア:

[(1, 26408720), (2, 13204360), (4, 6602180), (5, 5281744), (8, 3301090), (10, 2640872), (13, 2031440), (16, 1650545), (20, 1320436), (26, 1015720), (40, 660218), (52, 507860), (65, 406288), (67, 394160), (80, 330109), (104, 253930), (130, 203144), (134, 197080), (208, 126965), (260, 101572), (268, 98540), (335, 78832), (379, 69680), (520, 50786), (536, 49270), (670, 39416), (758, 34840), (871, 30320), (1040, 25393), (1072, 24635), (1340, 19708), (1516, 17420), (1742, 15160), (1895, 13936), (2680, 9854), (3032, 8710), (3484, 7580), (3790, 6968), (4355, 6064), (4927, 5360)]