1023640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 2332080

約数和(自身を除く): 1308440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 163, 314, 326, 628, 652, 785, 815, 1256, 1304, 1570, 1630, 3140, 3260, 6280, 6520, 25591, 51182, 102364, 127955, 204728, 255910, 511820, 1023640]

約数ペア:

[(1, 1023640), (2, 511820), (4, 255910), (5, 204728), (8, 127955), (10, 102364), (20, 51182), (40, 25591), (157, 6520), (163, 6280), (314, 3260), (326, 3140), (628, 1630), (652, 1570), (785, 1304), (815, 1256)]