130988240

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{10429}}^1$

素因数の和:10599

約数の個数: 40

約数和(自身を含む): 306516840

約数和(自身を除く): 175528600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 10429, 12560, 20858, 41716, 52145, 83432, 104290, 166864, 208580, 417160, 834320, 1637353, 3274706, 6549412, 8186765, 13098824, 16373530, 26197648, 32747060, 65494120, 130988240]

約数ペア:

[(1, 130988240), (2, 65494120), (4, 32747060), (5, 26197648), (8, 16373530), (10, 13098824), (16, 8186765), (20, 6549412), (40, 3274706), (80, 1637353), (157, 834320), (314, 417160), (628, 208580), (785, 166864), (1256, 104290), (1570, 83432), (2512, 52145), (3140, 41716), (6280, 20858), (10429, 12560)]