16853080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6907}}^1$

素因数の和:6979

約数の個数: 32

約数和(自身を含む): 38546640

約数和(自身を除く): 21693560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6907, 13814, 27628, 34535, 55256, 69070, 138140, 276280, 421327, 842654, 1685308, 2106635, 3370616, 4213270, 8426540, 16853080]

約数ペア:

[(1, 16853080), (2, 8426540), (4, 4213270), (5, 3370616), (8, 2106635), (10, 1685308), (20, 842654), (40, 421327), (61, 276280), (122, 138140), (244, 69070), (305, 55256), (488, 34535), (610, 27628), (1220, 13814), (2440, 6907)]