2720571848

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{20983}}^1$

素因数の和:21861

約数の個数: 32

約数和(自身を含む): 5376100800

約数和(自身を除く): 2655528952

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 853, 1706, 3412, 6824, 16207, 20983, 32414, 41966, 64828, 83932, 129656, 167864, 398677, 797354, 1594708, 3189416, 17898499, 35796998, 71593996, 143187992, 340071481, 680142962, 1360285924, 2720571848]

約数ペア:

[(1, 2720571848), (2, 1360285924), (4, 680142962), (8, 340071481), (19, 143187992), (38, 71593996), (76, 35796998), (152, 17898499), (853, 3189416), (1706, 1594708), (3412, 797354), (6824, 398677), (16207, 167864), (20983, 129656), (32414, 83932), (41966, 64828)]