2258587960

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{219707}}^1$

素因数の和:219975

約数の個数: 32

約数和(自身を含む): 5101619760

約数和(自身を除く): 2843031800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 219707, 439414, 878828, 1098535, 1757656, 2197070, 4394140, 8788280, 56464699, 112929398, 225858796, 282323495, 451717592, 564646990, 1129293980, 2258587960]

約数ペア:

[(1, 2258587960), (2, 1129293980), (4, 564646990), (5, 451717592), (8, 282323495), (10, 225858796), (20, 112929398), (40, 56464699), (257, 8788280), (514, 4394140), (1028, 2197070), (1285, 1757656), (2056, 1098535), (2570, 878828), (5140, 439414), (10280, 219707)]