72080140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6971}}^1$

素因数の和:7038

約数の個数: 48

約数和(自身を含む): 168666624

約数和(自身を除く): 96586484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 6971, 10340, 13942, 27884, 34855, 69710, 76681, 139420, 153362, 306724, 327637, 383405, 655274, 766810, 1310548, 1533620, 1638185, 3276370, 3604007, 6552740, 7208014, 14416028, 18020035, 36040070, 72080140]

約数ペア:

[(1, 72080140), (2, 36040070), (4, 18020035), (5, 14416028), (10, 7208014), (11, 6552740), (20, 3604007), (22, 3276370), (44, 1638185), (47, 1533620), (55, 1310548), (94, 766810), (110, 655274), (188, 383405), (220, 327637), (235, 306724), (470, 153362), (517, 139420), (940, 76681), (1034, 69710), (2068, 34855), (2585, 27884), (5170, 13942), (6971, 10340)]