31254320

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3793}}^1$

素因数の和:3909

約数の個数: 40

約数和(自身を含む): 73391136

約数和(自身を除く): 42136816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3793, 4120, 7586, 8240, 15172, 18965, 30344, 37930, 60688, 75860, 151720, 303440, 390679, 781358, 1562716, 1953395, 3125432, 3906790, 6250864, 7813580, 15627160, 31254320]

約数ペア:

[(1, 31254320), (2, 15627160), (4, 7813580), (5, 6250864), (8, 3906790), (10, 3125432), (16, 1953395), (20, 1562716), (40, 781358), (80, 390679), (103, 303440), (206, 151720), (412, 75860), (515, 60688), (824, 37930), (1030, 30344), (1648, 18965), (2060, 15172), (3793, 8240), (4120, 7586)]