40205500

素因数分解:

$2^2\times 5^3\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 88478208

約数和(自身を除く): 48272708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 191, 250, 382, 421, 500, 764, 842, 955, 1684, 1910, 2105, 3820, 4210, 4775, 8420, 9550, 10525, 19100, 21050, 23875, 42100, 47750, 52625, 80411, 95500, 105250, 160822, 210500, 321644, 402055, 804110, 1608220, 2010275, 4020550, 8041100, 10051375, 20102750, 40205500]

約数ペア:

[(1, 40205500), (2, 20102750), (4, 10051375), (5, 8041100), (10, 4020550), (20, 2010275), (25, 1608220), (50, 804110), (100, 402055), (125, 321644), (191, 210500), (250, 160822), (382, 105250), (421, 95500), (500, 80411), (764, 52625), (842, 47750), (955, 42100), (1684, 23875), (1910, 21050), (2105, 19100), (3820, 10525), (4210, 9550), (4775, 8420)]