13307320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 32649120

約数和(自身を除く): 19341800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 163, 260, 314, 326, 520, 628, 652, 785, 815, 1256, 1304, 1570, 1630, 2041, 2119, 3140, 3260, 4082, 4238, 6280, 6520, 8164, 8476, 10205, 10595, 16328, 16952, 20410, 21190, 25591, 40820, 42380, 51182, 81640, 84760, 102364, 127955, 204728, 255910, 332683, 511820, 665366, 1023640, 1330732, 1663415, 2661464, 3326830, 6653660, 13307320]

約数ペア:

[(1, 13307320), (2, 6653660), (4, 3326830), (5, 2661464), (8, 1663415), (10, 1330732), (13, 1023640), (20, 665366), (26, 511820), (40, 332683), (52, 255910), (65, 204728), (104, 127955), (130, 102364), (157, 84760), (163, 81640), (260, 51182), (314, 42380), (326, 40820), (520, 25591), (628, 21190), (652, 20410), (785, 16952), (815, 16328), (1256, 10595), (1304, 10205), (1570, 8476), (1630, 8164), (2041, 6520), (2119, 6280), (3140, 4238), (3260, 4082)]