253341640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{23371}}^1$

素因数の和:23653

約数の個数: 32

約数和(自身を含む): 572146560

約数和(自身を除く): 318804920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 23371, 46742, 93484, 116855, 186968, 233710, 467420, 934840, 6333541, 12667082, 25334164, 31667705, 50668328, 63335410, 126670820, 253341640]

約数ペア:

[(1, 253341640), (2, 126670820), (4, 63335410), (5, 50668328), (8, 31667705), (10, 25334164), (20, 12667082), (40, 6333541), (271, 934840), (542, 467420), (1084, 233710), (1355, 186968), (2168, 116855), (2710, 93484), (5420, 46742), (10840, 23371)]