40802900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6689}}^1$

素因数の和:6764

約数の個数: 36

約数和(自身を含む): 90007260

約数和(自身を除く): 49204360

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 6689, 13378, 26756, 33445, 66890, 133780, 167225, 334450, 408029, 668900, 816058, 1632116, 2040145, 4080290, 8160580, 10200725, 20401450, 40802900]

約数ペア:

[(1, 40802900), (2, 20401450), (4, 10200725), (5, 8160580), (10, 4080290), (20, 2040145), (25, 1632116), (50, 816058), (61, 668900), (100, 408029), (122, 334450), (244, 167225), (305, 133780), (610, 66890), (1220, 33445), (1525, 26756), (3050, 13378), (6100, 6689)]