200880560

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3881}}^1$

素因数の和:4541

約数の個数: 40

約数和(自身を含む): 467889696

約数和(自身を除く): 267009136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2588, 3235, 3881, 5176, 6470, 7762, 10352, 12940, 15524, 19405, 25880, 31048, 38810, 51760, 62096, 77620, 155240, 310480, 2511007, 5022014, 10044028, 12555035, 20088056, 25110070, 40176112, 50220140, 100440280, 200880560]

約数ペア:

[(1, 200880560), (2, 100440280), (4, 50220140), (5, 40176112), (8, 25110070), (10, 20088056), (16, 12555035), (20, 10044028), (40, 5022014), (80, 2511007), (647, 310480), (1294, 155240), (2588, 77620), (3235, 62096), (3881, 51760), (5176, 38810), (6470, 31048), (7762, 25880), (10352, 19405), (12940, 15524)]