55578575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 78599136

約数和(自身を除く): 23020561

約数列:

[1, 5, 13, 25, 41, 43, 65, 97, 205, 215, 325, 485, 533, 559, 1025, 1075, 1261, 1763, 2425, 2665, 2795, 3977, 4171, 6305, 8815, 13325, 13975, 19885, 20855, 22919, 31525, 44075, 51701, 54223, 99425, 104275, 114595, 171011, 258505, 271115, 572975, 855055, 1292525, 1355575, 2223143, 4275275, 11115715, 55578575]

約数ペア:

[(1, 55578575), (5, 11115715), (13, 4275275), (25, 2223143), (41, 1355575), (43, 1292525), (65, 855055), (97, 572975), (205, 271115), (215, 258505), (325, 171011), (485, 114595), (533, 104275), (559, 99425), (1025, 54223), (1075, 51701), (1261, 44075), (1763, 31525), (2425, 22919), (2665, 20855), (2795, 19885), (3977, 13975), (4171, 13325), (6305, 8815)]