72785560

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{16103}}^1$

素因数の和:16227

約数の個数: 32

約数和(自身を含む): 165227040

約数和(自身を除く): 92441480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 16103, 32206, 64412, 80515, 128824, 161030, 322060, 644120, 1819639, 3639278, 7278556, 9098195, 14557112, 18196390, 36392780, 72785560]

約数ペア:

[(1, 72785560), (2, 36392780), (4, 18196390), (5, 14557112), (8, 9098195), (10, 7278556), (20, 3639278), (40, 1819639), (113, 644120), (226, 322060), (452, 161030), (565, 128824), (904, 80515), (1130, 64412), (2260, 32206), (4520, 16103)]