886699120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{156109}}^1$

素因数の和:156193

約数の個数: 40

約数和(自身を含む): 2090625120

約数和(自身を除く): 1203926000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 156109, 312218, 624436, 780545, 1248872, 1561090, 2497744, 3122180, 6244360, 11083739, 12488720, 22167478, 44334956, 55418695, 88669912, 110837390, 177339824, 221674780, 443349560, 886699120]

約数ペア:

[(1, 886699120), (2, 443349560), (4, 221674780), (5, 177339824), (8, 110837390), (10, 88669912), (16, 55418695), (20, 44334956), (40, 22167478), (71, 12488720), (80, 11083739), (142, 6244360), (284, 3122180), (355, 2497744), (568, 1561090), (710, 1248872), (1136, 780545), (1420, 624436), (2840, 312218), (5680, 156109)]