47212780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{38699}}^1$

素因数の和:38769

約数の個数: 24

約数和(自身を含む): 100774800

約数和(自身を除く): 53562020

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 38699, 77398, 154796, 193495, 386990, 773980, 2360639, 4721278, 9442556, 11803195, 23606390, 47212780]

約数ペア:

[(1, 47212780), (2, 23606390), (4, 11803195), (5, 9442556), (10, 4721278), (20, 2360639), (61, 773980), (122, 386990), (244, 193495), (305, 154796), (610, 77398), (1220, 38699)]