31999280

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7547}}^1$

素因数の和:7613

約数の個数: 40

約数和(自身を含む): 75812112

約数和(自身を除く): 43812832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 7547, 15094, 30188, 37735, 60376, 75470, 120752, 150940, 301880, 399991, 603760, 799982, 1599964, 1999955, 3199928, 3999910, 6399856, 7999820, 15999640, 31999280]

約数ペア:

[(1, 31999280), (2, 15999640), (4, 7999820), (5, 6399856), (8, 3999910), (10, 3199928), (16, 1999955), (20, 1599964), (40, 799982), (53, 603760), (80, 399991), (106, 301880), (212, 150940), (265, 120752), (424, 75470), (530, 60376), (848, 37735), (1060, 30188), (2120, 15094), (4240, 7547)]