72308240

素因数分解:

$2^4\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1019}}^1$

素因数の和:1919

約数の個数: 40

約数和(自身を含む): 168471360

約数和(自身を除く): 96163120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 887, 1019, 1774, 2038, 3548, 4076, 4435, 5095, 7096, 8152, 8870, 10190, 14192, 16304, 17740, 20380, 35480, 40760, 70960, 81520, 903853, 1807706, 3615412, 4519265, 7230824, 9038530, 14461648, 18077060, 36154120, 72308240]

約数ペア:

[(1, 72308240), (2, 36154120), (4, 18077060), (5, 14461648), (8, 9038530), (10, 7230824), (16, 4519265), (20, 3615412), (40, 1807706), (80, 903853), (887, 81520), (1019, 70960), (1774, 40760), (2038, 35480), (3548, 20380), (4076, 17740), (4435, 16304), (5095, 14192), (7096, 10190), (8152, 8870)]