71680540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{188633}}^1$

素因数の和:188661

約数の個数: 24

約数和(自身を含む): 158452560

約数和(自身を除く): 86772020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 188633, 377266, 754532, 943165, 1886330, 3584027, 3772660, 7168054, 14336108, 17920135, 35840270, 71680540]

約数ペア:

[(1, 71680540), (2, 35840270), (4, 17920135), (5, 14336108), (10, 7168054), (19, 3772660), (20, 3584027), (38, 1886330), (76, 943165), (95, 754532), (190, 377266), (380, 188633)]