47655640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19531}}^1$

素因数の和:19603

約数の個数: 32

約数和(自身を含む): 108988560

約数和(自身を除く): 61332920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 19531, 39062, 78124, 97655, 156248, 195310, 390620, 781240, 1191391, 2382782, 4765564, 5956955, 9531128, 11913910, 23827820, 47655640]

約数ペア:

[(1, 47655640), (2, 23827820), (4, 11913910), (5, 9531128), (8, 5956955), (10, 4765564), (20, 2382782), (40, 1191391), (61, 781240), (122, 390620), (244, 195310), (305, 156248), (488, 97655), (610, 78124), (1220, 39062), (2440, 19531)]