77554720

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6827}}^1$

素因数の和:6913

約数の個数: 48

約数和(自身を含む): 185830848

約数和(自身を除く): 108276128

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, 6827, 11360, 13654, 27308, 34135, 54616, 68270, 109232, 136540, 218464, 273080, 484717, 546160, 969434, 1092320, 1938868, 2423585, 3877736, 4847170, 7755472, 9694340, 15510944, 19388680, 38777360, 77554720]

約数ペア:

[(1, 77554720), (2, 38777360), (4, 19388680), (5, 15510944), (8, 9694340), (10, 7755472), (16, 4847170), (20, 3877736), (32, 2423585), (40, 1938868), (71, 1092320), (80, 969434), (142, 546160), (160, 484717), (284, 273080), (355, 218464), (568, 136540), (710, 109232), (1136, 68270), (1420, 54616), (2272, 34135), (2840, 27308), (5680, 13654), (6827, 11360)]