5211400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 12320640

約数和(自身を除く): 7109240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 367, 568, 710, 734, 1420, 1468, 1775, 1835, 2840, 2936, 3550, 3670, 7100, 7340, 9175, 14200, 14680, 18350, 26057, 36700, 52114, 73400, 104228, 130285, 208456, 260570, 521140, 651425, 1042280, 1302850, 2605700, 5211400]

約数ペア:

[(1, 5211400), (2, 2605700), (4, 1302850), (5, 1042280), (8, 651425), (10, 521140), (20, 260570), (25, 208456), (40, 130285), (50, 104228), (71, 73400), (100, 52114), (142, 36700), (200, 26057), (284, 18350), (355, 14680), (367, 14200), (568, 9175), (710, 7340), (734, 7100), (1420, 3670), (1468, 3550), (1775, 2936), (1835, 2840)]