187469680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{54497}}^1$

素因数の和:54553

約数の個数: 40

約数和(自身を含む): 446011632

約数和(自身を除く): 258541952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 54497, 108994, 217988, 272485, 435976, 544970, 871952, 1089940, 2179880, 2343371, 4359760, 4686742, 9373484, 11716855, 18746968, 23433710, 37493936, 46867420, 93734840, 187469680]

約数ペア:

[(1, 187469680), (2, 93734840), (4, 46867420), (5, 37493936), (8, 23433710), (10, 18746968), (16, 11716855), (20, 9373484), (40, 4686742), (43, 4359760), (80, 2343371), (86, 2179880), (172, 1089940), (215, 871952), (344, 544970), (430, 435976), (688, 272485), (860, 217988), (1720, 108994), (3440, 54497)]