78487775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1483}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 102128880

約数和(自身を除く): 23641105

約数列:

[1, 5, 25, 29, 73, 145, 365, 725, 1483, 1825, 2117, 7415, 10585, 37075, 43007, 52925, 108259, 215035, 541295, 1075175, 2706475, 3139511, 15697555, 78487775]

約数ペア:

[(1, 78487775), (5, 15697555), (25, 3139511), (29, 2706475), (73, 1075175), (145, 541295), (365, 215035), (725, 108259), (1483, 52925), (1825, 43007), (2117, 37075), (7415, 10585)]