31948540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1193}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 73015488

約数和(自身を除く): 41066948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1193, 1339, 2060, 2386, 2678, 4772, 5356, 5965, 6695, 11930, 13390, 15509, 23860, 26780, 31018, 62036, 77545, 122879, 155090, 245758, 310180, 491516, 614395, 1228790, 1597427, 2457580, 3194854, 6389708, 7987135, 15974270, 31948540]

約数ペア:

[(1, 31948540), (2, 15974270), (4, 7987135), (5, 6389708), (10, 3194854), (13, 2457580), (20, 1597427), (26, 1228790), (52, 614395), (65, 491516), (103, 310180), (130, 245758), (206, 155090), (260, 122879), (412, 77545), (515, 62036), (1030, 31018), (1193, 26780), (1339, 23860), (2060, 15509), (2386, 13390), (2678, 11930), (4772, 6695), (5356, 5965)]