8793215180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{21377}}^1$

素因数の和:21674

約数の個数: 48

約数和(自身を含む): 18726101856

約数和(自身を除く): 9932886676

約数列:

[1, 2, 4, 5, 10, 20, 131, 157, 262, 314, 524, 628, 655, 785, 1310, 1570, 2620, 3140, 20567, 21377, 41134, 42754, 82268, 85508, 102835, 106885, 205670, 213770, 411340, 427540, 2800387, 3356189, 5600774, 6712378, 11201548, 13424756, 14001935, 16780945, 28003870, 33561890, 56007740, 67123780, 439660759, 879321518, 1758643036, 2198303795, 4396607590, 8793215180]

約数ペア:

[(1, 8793215180), (2, 4396607590), (4, 2198303795), (5, 1758643036), (10, 879321518), (20, 439660759), (131, 67123780), (157, 56007740), (262, 33561890), (314, 28003870), (524, 16780945), (628, 14001935), (655, 13424756), (785, 11201548), (1310, 6712378), (1570, 5600774), (2620, 3356189), (3140, 2800387), (20567, 427540), (21377, 411340), (41134, 213770), (42754, 205670), (82268, 106885), (85508, 102835)]