80656900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{42451}}^1$

素因数の和:42484

約数の個数: 36

約数和(自身を含む): 184241680

約数和(自身を除く): 103584780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 42451, 84902, 169804, 212255, 424510, 806569, 849020, 1061275, 1613138, 2122550, 3226276, 4032845, 4245100, 8065690, 16131380, 20164225, 40328450, 80656900]

約数ペア:

[(1, 80656900), (2, 40328450), (4, 20164225), (5, 16131380), (10, 8065690), (19, 4245100), (20, 4032845), (25, 3226276), (38, 2122550), (50, 1613138), (76, 1061275), (95, 849020), (100, 806569), (190, 424510), (380, 212255), (475, 169804), (950, 84902), (1900, 42451)]