1987040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1129}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 5125680

約数和(自身を除く): 3138640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1129, 1760, 2258, 4516, 5645, 9032, 11290, 12419, 18064, 22580, 24838, 36128, 45160, 49676, 62095, 90320, 99352, 124190, 180640, 198704, 248380, 397408, 496760, 993520, 1987040]

約数ペア:

[(1, 1987040), (2, 993520), (4, 496760), (5, 397408), (8, 248380), (10, 198704), (11, 180640), (16, 124190), (20, 99352), (22, 90320), (32, 62095), (40, 49676), (44, 45160), (55, 36128), (80, 24838), (88, 22580), (110, 18064), (160, 12419), (176, 11290), (220, 9032), (352, 5645), (440, 4516), (880, 2258), (1129, 1760)]