40628900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31253}}^1$

素因数の和:31280

約数の個数: 36

約数和(自身を含む): 94949652

約数和(自身を除く): 54320752

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 31253, 62506, 125012, 156265, 312530, 406289, 625060, 781325, 812578, 1562650, 1625156, 2031445, 3125300, 4062890, 8125780, 10157225, 20314450, 40628900]

約数ペア:

[(1, 40628900), (2, 20314450), (4, 10157225), (5, 8125780), (10, 4062890), (13, 3125300), (20, 2031445), (25, 1625156), (26, 1562650), (50, 812578), (52, 781325), (65, 625060), (100, 406289), (130, 312530), (260, 156265), (325, 125012), (650, 62506), (1300, 31253)]