131815060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2801}}^1$

素因数の和:3004

約数の個数: 48

約数和(自身を含む): 299858832

約数和(自身を除く): 168043772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 2801, 3620, 4706, 5602, 9412, 11204, 11765, 14005, 23530, 28010, 36413, 47060, 56020, 72826, 145652, 182065, 364130, 506981, 728260, 1013962, 2027924, 2534905, 5069810, 6590753, 10139620, 13181506, 26363012, 32953765, 65907530, 131815060]

約数ペア:

[(1, 131815060), (2, 65907530), (4, 32953765), (5, 26363012), (10, 13181506), (13, 10139620), (20, 6590753), (26, 5069810), (52, 2534905), (65, 2027924), (130, 1013962), (181, 728260), (260, 506981), (362, 364130), (724, 182065), (905, 145652), (1810, 72826), (2353, 56020), (2801, 47060), (3620, 36413), (4706, 28010), (5602, 23530), (9412, 14005), (11204, 11765)]