401503880

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{32069}}^1$

素因数の和:32393

約数の個数: 32

約数和(自身を含む): 906298200

約数和(自身を除く): 504794320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 32069, 64138, 128276, 160345, 256552, 320690, 641380, 1282760, 10037597, 20075194, 40150388, 50187985, 80300776, 100375970, 200751940, 401503880]

約数ペア:

[(1, 401503880), (2, 200751940), (4, 100375970), (5, 80300776), (8, 50187985), (10, 40150388), (20, 20075194), (40, 10037597), (313, 1282760), (626, 641380), (1252, 320690), (1565, 256552), (2504, 160345), (3130, 128276), (6260, 64138), (12520, 32069)]