65166040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15817}}^1$

素因数の和:15931

約数の個数: 32

約数和(自身を含む): 148056480

約数和(自身を除く): 82890440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 15817, 31634, 63268, 79085, 126536, 158170, 316340, 632680, 1629151, 3258302, 6516604, 8145755, 13033208, 16291510, 32583020, 65166040]

約数ペア:

[(1, 65166040), (2, 32583020), (4, 16291510), (5, 13033208), (8, 8145755), (10, 6516604), (20, 3258302), (40, 1629151), (103, 632680), (206, 316340), (412, 158170), (515, 126536), (824, 79085), (1030, 63268), (2060, 31634), (4120, 15817)]