13655920

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 31939920

約数和(自身を除く): 18284000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 809, 844, 1055, 1618, 1688, 2110, 3236, 3376, 4045, 4220, 6472, 8090, 8440, 12944, 16180, 16880, 32360, 64720, 170699, 341398, 682796, 853495, 1365592, 1706990, 2731184, 3413980, 6827960, 13655920]

約数ペア:

[(1, 13655920), (2, 6827960), (4, 3413980), (5, 2731184), (8, 1706990), (10, 1365592), (16, 853495), (20, 682796), (40, 341398), (80, 170699), (211, 64720), (422, 32360), (809, 16880), (844, 16180), (1055, 12944), (1618, 8440), (1688, 8090), (2110, 6472), (3236, 4220), (3376, 4045)]