20170464550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{138581}}^1$

素因数の和:138705

約数の個数: 48

約数和(自身を含む): 38973693024

約数和(自身を除く): 18803228474

約数列:

[1, 2, 5, 10, 25, 41, 50, 71, 82, 142, 205, 355, 410, 710, 1025, 1775, 2050, 2911, 3550, 5822, 14555, 29110, 72775, 138581, 145550, 277162, 692905, 1385810, 3464525, 5681821, 6929050, 9839251, 11363642, 19678502, 28409105, 49196255, 56818210, 98392510, 142045525, 245981275, 284091050, 403409291, 491962550, 806818582, 2017046455, 4034092910, 10085232275, 20170464550]

約数ペア:

[(1, 20170464550), (2, 10085232275), (5, 4034092910), (10, 2017046455), (25, 806818582), (41, 491962550), (50, 403409291), (71, 284091050), (82, 245981275), (142, 142045525), (205, 98392510), (355, 56818210), (410, 49196255), (710, 28409105), (1025, 19678502), (1775, 11363642), (2050, 9839251), (2911, 6929050), (3550, 5681821), (5822, 3464525), (14555, 1385810), (29110, 692905), (72775, 277162), (138581, 145550)]