266400920

素因数分解:

$2^3\times 5^1\times {\mathrm{6660023}}^1$

素因数の和:6660034

約数の個数: 16

約数和(自身を含む): 599402160

約数和(自身を除く): 333001240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6660023, 13320046, 26640092, 33300115, 53280184, 66600230, 133200460, 266400920]

約数ペア:

[(1, 266400920), (2, 133200460), (4, 66600230), (5, 53280184), (8, 33300115), (10, 26640092), (20, 13320046), (40, 6660023)]