8254480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7937}}^1$

素因数の和:7963

約数の個数: 40

約数和(自身を含む): 20670552

約数和(自身を除く): 12416072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7937, 15874, 31748, 39685, 63496, 79370, 103181, 126992, 158740, 206362, 317480, 412724, 515905, 634960, 825448, 1031810, 1650896, 2063620, 4127240, 8254480]

約数ペア:

[(1, 8254480), (2, 4127240), (4, 2063620), (5, 1650896), (8, 1031810), (10, 825448), (13, 634960), (16, 515905), (20, 412724), (26, 317480), (40, 206362), (52, 158740), (65, 126992), (80, 103181), (104, 79370), (130, 63496), (208, 39685), (260, 31748), (520, 15874), (1040, 7937)]