201593360

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3919}}^1$

素因数の和:4575

約数の個数: 40

約数和(自身を含む): 469553280

約数和(自身を除く): 267959920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 3919, 5144, 6430, 7838, 10288, 12860, 15676, 19595, 25720, 31352, 39190, 51440, 62704, 78380, 156760, 313520, 2519917, 5039834, 10079668, 12599585, 20159336, 25199170, 40318672, 50398340, 100796680, 201593360]

約数ペア:

[(1, 201593360), (2, 100796680), (4, 50398340), (5, 40318672), (8, 25199170), (10, 20159336), (16, 12599585), (20, 10079668), (40, 5039834), (80, 2519917), (643, 313520), (1286, 156760), (2572, 78380), (3215, 62704), (3919, 51440), (5144, 39190), (6430, 31352), (7838, 25720), (10288, 19595), (12860, 15676)]