8277040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 19396080

約数和(自身を除く): 11119040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 659, 785, 1256, 1318, 1570, 2512, 2636, 3140, 3295, 5272, 6280, 6590, 10544, 12560, 13180, 26360, 52720, 103463, 206926, 413852, 517315, 827704, 1034630, 1655408, 2069260, 4138520, 8277040]

約数ペア:

[(1, 8277040), (2, 4138520), (4, 2069260), (5, 1655408), (8, 1034630), (10, 827704), (16, 517315), (20, 413852), (40, 206926), (80, 103463), (157, 52720), (314, 26360), (628, 13180), (659, 12560), (785, 10544), (1256, 6590), (1318, 6280), (1570, 5272), (2512, 3295), (2636, 3140)]