13172740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2543}}^1$

素因数の和:2596

約数の個数: 48

約数和(自身を含む): 32481792

約数和(自身を除く): 19309052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2543, 2590, 5086, 5180, 10172, 12715, 17801, 25430, 35602, 50860, 71204, 89005, 94091, 178010, 188182, 356020, 376364, 470455, 658637, 940910, 1317274, 1881820, 2634548, 3293185, 6586370, 13172740]

約数ペア:

[(1, 13172740), (2, 6586370), (4, 3293185), (5, 2634548), (7, 1881820), (10, 1317274), (14, 940910), (20, 658637), (28, 470455), (35, 376364), (37, 356020), (70, 188182), (74, 178010), (140, 94091), (148, 89005), (185, 71204), (259, 50860), (370, 35602), (518, 25430), (740, 17801), (1036, 12715), (1295, 10172), (2543, 5180), (2590, 5086)]