25223620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 55344240

約数和(自身を除く): 30120620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 277, 290, 314, 554, 580, 628, 785, 1108, 1385, 1570, 2770, 3140, 4553, 5540, 8033, 9106, 16066, 18212, 22765, 32132, 40165, 43489, 45530, 80330, 86978, 91060, 160660, 173956, 217445, 434890, 869780, 1261181, 2522362, 5044724, 6305905, 12611810, 25223620]

約数ペア:

[(1, 25223620), (2, 12611810), (4, 6305905), (5, 5044724), (10, 2522362), (20, 1261181), (29, 869780), (58, 434890), (116, 217445), (145, 173956), (157, 160660), (277, 91060), (290, 86978), (314, 80330), (554, 45530), (580, 43489), (628, 40165), (785, 32132), (1108, 22765), (1385, 18212), (1570, 16066), (2770, 9106), (3140, 8033), (4553, 5540)]