71322320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28759}}^1$

素因数の和:28803

約数の個数: 40

約数和(自身を含む): 171179520

約数和(自身を除く): 99857200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28759, 57518, 115036, 143795, 230072, 287590, 460144, 575180, 891529, 1150360, 1783058, 2300720, 3566116, 4457645, 7132232, 8915290, 14264464, 17830580, 35661160, 71322320]

約数ペア:

[(1, 71322320), (2, 35661160), (4, 17830580), (5, 14264464), (8, 8915290), (10, 7132232), (16, 4457645), (20, 3566116), (31, 2300720), (40, 1783058), (62, 1150360), (80, 891529), (124, 575180), (155, 460144), (248, 287590), (310, 230072), (496, 143795), (620, 115036), (1240, 57518), (2480, 28759)]