1330673320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1\times {\mathrm{499}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 3025800000

約数和(自身を除く): 1695126680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 409, 499, 652, 815, 818, 998, 1304, 1630, 1636, 1996, 2045, 2495, 3260, 3272, 3992, 4090, 4990, 6520, 8180, 9980, 16360, 19960, 66667, 81337, 133334, 162674, 204091, 266668, 325348, 333335, 406685, 408182, 533336, 650696, 666670, 813370, 816364, 1020455, 1333340, 1626740, 1632728, 2040910, 2666680, 3253480, 4081820, 8163640, 33266833, 66533666, 133067332, 166334165, 266134664, 332668330, 665336660, 1330673320]

約数ペア:

[(1, 1330673320), (2, 665336660), (4, 332668330), (5, 266134664), (8, 166334165), (10, 133067332), (20, 66533666), (40, 33266833), (163, 8163640), (326, 4081820), (409, 3253480), (499, 2666680), (652, 2040910), (815, 1632728), (818, 1626740), (998, 1333340), (1304, 1020455), (1630, 816364), (1636, 813370), (1996, 666670), (2045, 650696), (2495, 533336), (3260, 408182), (3272, 406685), (3992, 333335), (4090, 325348), (4990, 266668), (6520, 204091), (8180, 162674), (9980, 133334), (16360, 81337), (19960, 66667)]