31600790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 34443370

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 79, 85, 130, 158, 170, 181, 221, 362, 395, 442, 790, 905, 1027, 1105, 1343, 1810, 2054, 2210, 2353, 2686, 3077, 4706, 5135, 6154, 6715, 10270, 11765, 13430, 14299, 15385, 17459, 23530, 28598, 30770, 34918, 40001, 71495, 80002, 87295, 142990, 174590, 185887, 200005, 243083, 371774, 400010, 486166, 929435, 1215415, 1858870, 2430830, 3160079, 6320158, 15800395, 31600790]

約数ペア:

[(1, 31600790), (2, 15800395), (5, 6320158), (10, 3160079), (13, 2430830), (17, 1858870), (26, 1215415), (34, 929435), (65, 486166), (79, 400010), (85, 371774), (130, 243083), (158, 200005), (170, 185887), (181, 174590), (221, 142990), (362, 87295), (395, 80002), (442, 71495), (790, 40001), (905, 34918), (1027, 30770), (1105, 28598), (1343, 23530), (1810, 17459), (2054, 15385), (2210, 14299), (2353, 13430), (2686, 11765), (3077, 10270), (4706, 6715), (5135, 6154)]