125326820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 267563520

約数和(自身を除く): 142236700

約数列:

[1, 2, 4, 5, 10, 20, 157, 167, 239, 314, 334, 478, 628, 668, 785, 835, 956, 1195, 1570, 1670, 2390, 3140, 3340, 4780, 26219, 37523, 39913, 52438, 75046, 79826, 104876, 131095, 150092, 159652, 187615, 199565, 262190, 375230, 399130, 524380, 750460, 798260, 6266341, 12532682, 25065364, 31331705, 62663410, 125326820]

約数ペア:

[(1, 125326820), (2, 62663410), (4, 31331705), (5, 25065364), (10, 12532682), (20, 6266341), (157, 798260), (167, 750460), (239, 524380), (314, 399130), (334, 375230), (478, 262190), (628, 199565), (668, 187615), (785, 159652), (835, 150092), (956, 131095), (1195, 104876), (1570, 79826), (1670, 75046), (2390, 52438), (3140, 39913), (3340, 37523), (4780, 26219)]