508717840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89563}}^1$

素因数の和:89647

約数の個数: 40

約数和(自身を含む): 1199441088

約数和(自身を除く): 690723248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 89563, 179126, 358252, 447815, 716504, 895630, 1433008, 1791260, 3582520, 6358973, 7165040, 12717946, 25435892, 31794865, 50871784, 63589730, 101743568, 127179460, 254358920, 508717840]

約数ペア:

[(1, 508717840), (2, 254358920), (4, 127179460), (5, 101743568), (8, 63589730), (10, 50871784), (16, 31794865), (20, 25435892), (40, 12717946), (71, 7165040), (80, 6358973), (142, 3582520), (284, 1791260), (355, 1433008), (568, 895630), (710, 716504), (1136, 447815), (1420, 358252), (2840, 179126), (5680, 89563)]