4419040

素因数分解:

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

素因数の和:475

約数の個数: 48

約数和(自身を含む): 10614240

約数和(自身を除く): 6195200

約数列:

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

約数ペア:

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