80758240

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7109}}^1$

素因数の和:7195

約数の個数: 48

約数和(自身を含む): 193505760

約数和(自身を除く): 112747520

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, 7109, 11360, 14218, 28436, 35545, 56872, 71090, 113744, 142180, 227488, 284360, 504739, 568720, 1009478, 1137440, 2018956, 2523695, 4037912, 5047390, 8075824, 10094780, 16151648, 20189560, 40379120, 80758240]

約数ペア:

[(1, 80758240), (2, 40379120), (4, 20189560), (5, 16151648), (8, 10094780), (10, 8075824), (16, 5047390), (20, 4037912), (32, 2523695), (40, 2018956), (71, 1137440), (80, 1009478), (142, 568720), (160, 504739), (284, 284360), (355, 227488), (568, 142180), (710, 113744), (1136, 71090), (1420, 56872), (2272, 35545), (2840, 28436), (5680, 14218), (7109, 11360)]