8838080

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:477

約数の個数: 56

約数和(自身を含む): 21396960

約数和(自身を除く): 12558880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 389, 568, 710, 778, 1136, 1420, 1556, 1945, 2272, 2840, 3112, 3890, 4544, 5680, 6224, 7780, 11360, 12448, 15560, 22720, 24896, 27619, 31120, 55238, 62240, 110476, 124480, 138095, 220952, 276190, 441904, 552380, 883808, 1104760, 1767616, 2209520, 4419040, 8838080]

約数ペア:

[(1, 8838080), (2, 4419040), (4, 2209520), (5, 1767616), (8, 1104760), (10, 883808), (16, 552380), (20, 441904), (32, 276190), (40, 220952), (64, 138095), (71, 124480), (80, 110476), (142, 62240), (160, 55238), (284, 31120), (320, 27619), (355, 24896), (389, 22720), (568, 15560), (710, 12448), (778, 11360), (1136, 7780), (1420, 6224), (1556, 5680), (1945, 4544), (2272, 3890), (2840, 3112)]