27425780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 59336256

約数和(自身を除く): 31910476

約数列:

[1, 2, 4, 5, 10, 20, 67, 97, 134, 194, 211, 268, 335, 388, 422, 485, 670, 844, 970, 1055, 1340, 1940, 2110, 4220, 6499, 12998, 14137, 20467, 25996, 28274, 32495, 40934, 56548, 64990, 70685, 81868, 102335, 129980, 141370, 204670, 282740, 409340, 1371289, 2742578, 5485156, 6856445, 13712890, 27425780]

約数ペア:

[(1, 27425780), (2, 13712890), (4, 6856445), (5, 5485156), (10, 2742578), (20, 1371289), (67, 409340), (97, 282740), (134, 204670), (194, 141370), (211, 129980), (268, 102335), (335, 81868), (388, 70685), (422, 64990), (485, 56548), (670, 40934), (844, 32495), (970, 28274), (1055, 25996), (1340, 20467), (1940, 14137), (2110, 12998), (4220, 6499)]