30541880

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2971}}^1$

素因数の和:3239

約数の個数: 32

約数和(自身を含む): 69009840

約数和(自身を除く): 38467960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2971, 5140, 5942, 10280, 11884, 14855, 23768, 29710, 59420, 118840, 763547, 1527094, 3054188, 3817735, 6108376, 7635470, 15270940, 30541880]

約数ペア:

[(1, 30541880), (2, 15270940), (4, 7635470), (5, 6108376), (8, 3817735), (10, 3054188), (20, 1527094), (40, 763547), (257, 118840), (514, 59420), (1028, 29710), (1285, 23768), (2056, 14855), (2570, 11884), (2971, 10280), (5140, 5942)]