72028120

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16829}}^1$

素因数の和:16947

約数の個数: 32

約数和(自身を含む): 163587600

約数和(自身を除く): 91559480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 16829, 33658, 67316, 84145, 134632, 168290, 336580, 673160, 1800703, 3601406, 7202812, 9003515, 14405624, 18007030, 36014060, 72028120]

約数ペア:

[(1, 72028120), (2, 36014060), (4, 18007030), (5, 14405624), (8, 9003515), (10, 7202812), (20, 3601406), (40, 1800703), (107, 673160), (214, 336580), (428, 168290), (535, 134632), (856, 84145), (1070, 67316), (2140, 33658), (4280, 16829)]