72672760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25589}}^1$

素因数の和:25671

約数の個数: 32

約数和(自身を含む): 165823200

約数和(自身を除く): 93150440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 25589, 51178, 102356, 127945, 204712, 255890, 511780, 1023560, 1816819, 3633638, 7267276, 9084095, 14534552, 18168190, 36336380, 72672760]

約数ペア:

[(1, 72672760), (2, 36336380), (4, 18168190), (5, 14534552), (8, 9084095), (10, 7267276), (20, 3633638), (40, 1816819), (71, 1023560), (142, 511780), (284, 255890), (355, 204712), (568, 127945), (710, 102356), (1420, 51178), (2840, 25589)]