81116950

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 156485520

約数和(自身を除く): 75368570

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 163, 185, 269, 326, 370, 538, 815, 925, 1345, 1630, 1850, 2690, 4075, 6031, 6725, 8150, 9953, 12062, 13450, 19906, 30155, 43847, 49765, 60310, 87694, 99530, 150775, 219235, 248825, 301550, 438470, 497650, 1096175, 1622339, 2192350, 3244678, 8111695, 16223390, 40558475, 81116950]

約数ペア:

[(1, 81116950), (2, 40558475), (5, 16223390), (10, 8111695), (25, 3244678), (37, 2192350), (50, 1622339), (74, 1096175), (163, 497650), (185, 438470), (269, 301550), (326, 248825), (370, 219235), (538, 150775), (815, 99530), (925, 87694), (1345, 60310), (1630, 49765), (1850, 43847), (2690, 30155), (4075, 19906), (6031, 13450), (6725, 12062), (8150, 9953)]