3978996860

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{95603}}^1$

素因数の和:97693

約数の個数: 24

約数和(自身を含む): 8359996176

約数和(自身を除く): 4380999316

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 8324, 10405, 20810, 41620, 95603, 191206, 382412, 478015, 956030, 1912060, 198949843, 397899686, 795799372, 994749215, 1989498430, 3978996860]

約数ペア:

[(1, 3978996860), (2, 1989498430), (4, 994749215), (5, 795799372), (10, 397899686), (20, 198949843), (2081, 1912060), (4162, 956030), (8324, 478015), (10405, 382412), (20810, 191206), (41620, 95603)]