72153080

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3449}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 162702000

約数和(自身を除く): 90548920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 3449, 4184, 5230, 6898, 10460, 13796, 17245, 20920, 27592, 34490, 68980, 137960, 1803827, 3607654, 7215308, 9019135, 14430616, 18038270, 36076540, 72153080]

約数ペア:

[(1, 72153080), (2, 36076540), (4, 18038270), (5, 14430616), (8, 9019135), (10, 7215308), (20, 3607654), (40, 1803827), (523, 137960), (1046, 68980), (2092, 34490), (2615, 27592), (3449, 20920), (4184, 17245), (5230, 13796), (6898, 10460)]