80707120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 205111872

約数和(自身を除く): 124404752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1093, 1136, 1420, 1846, 2186, 2840, 3692, 4372, 4615, 5465, 5680, 7384, 8744, 9230, 10930, 14209, 14768, 17488, 18460, 21860, 28418, 36920, 43720, 56836, 71045, 73840, 77603, 87440, 113672, 142090, 155206, 227344, 284180, 310412, 388015, 568360, 620824, 776030, 1008839, 1136720, 1241648, 1552060, 2017678, 3104120, 4035356, 5044195, 6208240, 8070712, 10088390, 16141424, 20176780, 40353560, 80707120]

約数ペア:

[(1, 80707120), (2, 40353560), (4, 20176780), (5, 16141424), (8, 10088390), (10, 8070712), (13, 6208240), (16, 5044195), (20, 4035356), (26, 3104120), (40, 2017678), (52, 1552060), (65, 1241648), (71, 1136720), (80, 1008839), (104, 776030), (130, 620824), (142, 568360), (208, 388015), (260, 310412), (284, 284180), (355, 227344), (520, 155206), (568, 142090), (710, 113672), (923, 87440), (1040, 77603), (1093, 73840), (1136, 71045), (1420, 56836), (1846, 43720), (2186, 36920), (2840, 28418), (3692, 21860), (4372, 18460), (4615, 17488), (5465, 14768), (5680, 14209), (7384, 10930), (8744, 9230)]