80876920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106417}}^1$

素因数の和:106447

約数の個数: 32

約数和(自身を含む): 191552400

約数和(自身を除く): 110675480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 106417, 212834, 425668, 532085, 851336, 1064170, 2021923, 2128340, 4043846, 4256680, 8087692, 10109615, 16175384, 20219230, 40438460, 80876920]

約数ペア:

[(1, 80876920), (2, 40438460), (4, 20219230), (5, 16175384), (8, 10109615), (10, 8087692), (19, 4256680), (20, 4043846), (38, 2128340), (40, 2021923), (76, 1064170), (95, 851336), (152, 532085), (190, 425668), (380, 212834), (760, 106417)]