20402316250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^2\times {\mathrm{56477}}^1$

素因数の和:56533

約数の個数: 60

約数和(自身を含む): 40624681878

約数和(自身を除く): 20222365628

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 289, 425, 578, 625, 850, 1250, 1445, 2125, 2890, 4250, 7225, 10625, 14450, 21250, 36125, 56477, 72250, 112954, 180625, 282385, 361250, 564770, 960109, 1411925, 1920218, 2823850, 4800545, 7059625, 9601090, 14119250, 16321853, 24002725, 32643706, 35298125, 48005450, 70596250, 81609265, 120013625, 163218530, 240027250, 408046325, 600068125, 816092650, 1200136250, 2040231625, 4080463250, 10201158125, 20402316250]

約数ペア:

[(1, 20402316250), (2, 10201158125), (5, 4080463250), (10, 2040231625), (17, 1200136250), (25, 816092650), (34, 600068125), (50, 408046325), (85, 240027250), (125, 163218530), (170, 120013625), (250, 81609265), (289, 70596250), (425, 48005450), (578, 35298125), (625, 32643706), (850, 24002725), (1250, 16321853), (1445, 14119250), (2125, 9601090), (2890, 7059625), (4250, 4800545), (7225, 2823850), (10625, 1920218), (14450, 1411925), (21250, 960109), (36125, 564770), (56477, 361250), (72250, 282385), (112954, 180625)]