72579040

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6389}}^1$

素因数の和:6475

約数の個数: 48

約数和(自身を含む): 173910240

約数和(自身を除く): 101331200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 6389, 11360, 12778, 25556, 31945, 51112, 63890, 102224, 127780, 204448, 255560, 453619, 511120, 907238, 1022240, 1814476, 2268095, 3628952, 4536190, 7257904, 9072380, 14515808, 18144760, 36289520, 72579040]

約数ペア:

[(1, 72579040), (2, 36289520), (4, 18144760), (5, 14515808), (8, 9072380), (10, 7257904), (16, 4536190), (20, 3628952), (32, 2268095), (40, 1814476), (71, 1022240), (80, 907238), (142, 511120), (160, 453619), (284, 255560), (355, 204448), (568, 127780), (710, 102224), (1136, 63890), (1420, 51112), (2272, 31945), (2840, 25556), (5680, 12778), (6389, 11360)]