23521640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 56799360

約数和(自身を除く): 33277720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 691, 740, 851, 920, 1382, 1480, 1702, 2764, 3404, 3455, 4255, 5528, 6808, 6910, 8510, 13820, 15893, 17020, 25567, 27640, 31786, 34040, 51134, 63572, 79465, 102268, 127144, 127835, 158930, 204536, 255670, 317860, 511340, 588041, 635720, 1022680, 1176082, 2352164, 2940205, 4704328, 5880410, 11760820, 23521640]

約数ペア:

[(1, 23521640), (2, 11760820), (4, 5880410), (5, 4704328), (8, 2940205), (10, 2352164), (20, 1176082), (23, 1022680), (37, 635720), (40, 588041), (46, 511340), (74, 317860), (92, 255670), (115, 204536), (148, 158930), (184, 127835), (185, 127144), (230, 102268), (296, 79465), (370, 63572), (460, 51134), (691, 34040), (740, 31786), (851, 27640), (920, 25567), (1382, 17020), (1480, 15893), (1702, 13820), (2764, 8510), (3404, 6910), (3455, 6808), (4255, 5528)]