72425240

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4201}}^1$

素因数の和:4643

約数の個数: 32

約数和(自身を含む): 163373760

約数和(自身を除く): 90948520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4201, 4310, 8402, 8620, 16804, 17240, 21005, 33608, 42010, 84020, 168040, 1810631, 3621262, 7242524, 9053155, 14485048, 18106310, 36212620, 72425240]

約数ペア:

[(1, 72425240), (2, 36212620), (4, 18106310), (5, 14485048), (8, 9053155), (10, 7242524), (20, 3621262), (40, 1810631), (431, 168040), (862, 84020), (1724, 42010), (2155, 33608), (3448, 21005), (4201, 17240), (4310, 16804), (8402, 8620)]