8625040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 20230848

約数和(自身を除く): 11605808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 823, 1048, 1310, 1646, 2096, 2620, 3292, 4115, 5240, 6584, 8230, 10480, 13168, 16460, 32920, 65840, 107813, 215626, 431252, 539065, 862504, 1078130, 1725008, 2156260, 4312520, 8625040]

約数ペア:

[(1, 8625040), (2, 4312520), (4, 2156260), (5, 1725008), (8, 1078130), (10, 862504), (16, 539065), (20, 431252), (40, 215626), (80, 107813), (131, 65840), (262, 32920), (524, 16460), (655, 13168), (823, 10480), (1048, 8230), (1310, 6584), (1646, 5240), (2096, 4115), (2620, 3292)]