27741580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22739}}^1$

素因数の和:22809

約数の個数: 24

約数和(自身を含む): 59214960

約数和(自身を除く): 31473380

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 22739, 45478, 90956, 113695, 227390, 454780, 1387079, 2774158, 5548316, 6935395, 13870790, 27741580]

約数ペア:

[(1, 27741580), (2, 13870790), (4, 6935395), (5, 5548316), (10, 2774158), (20, 1387079), (61, 454780), (122, 227390), (244, 113695), (305, 90956), (610, 45478), (1220, 22739)]