8455120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6217}}^1$

素因数の和:6247

約数の個数: 40

約数和(自身を含む): 20817864

約数和(自身を除く): 12362744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6217, 12434, 24868, 31085, 49736, 62170, 99472, 105689, 124340, 211378, 248680, 422756, 497360, 528445, 845512, 1056890, 1691024, 2113780, 4227560, 8455120]

約数ペア:

[(1, 8455120), (2, 4227560), (4, 2113780), (5, 1691024), (8, 1056890), (10, 845512), (16, 528445), (17, 497360), (20, 422756), (34, 248680), (40, 211378), (68, 124340), (80, 105689), (85, 99472), (136, 62170), (170, 49736), (272, 31085), (340, 24868), (680, 12434), (1360, 6217)]