80987725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 125214208

約数和(自身を除く): 44226483

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 97, 175, 325, 367, 455, 485, 679, 1261, 1835, 2275, 2425, 2569, 3395, 4771, 6305, 8827, 9175, 12845, 16975, 23855, 31525, 33397, 35599, 44135, 64225, 119275, 166985, 177995, 220675, 249193, 462787, 834925, 889975, 1245965, 2313935, 3239509, 6229825, 11569675, 16197545, 80987725]

約数ペア:

[(1, 80987725), (5, 16197545), (7, 11569675), (13, 6229825), (25, 3239509), (35, 2313935), (65, 1245965), (91, 889975), (97, 834925), (175, 462787), (325, 249193), (367, 220675), (455, 177995), (485, 166985), (679, 119275), (1261, 64225), (1835, 44135), (2275, 35599), (2425, 33397), (2569, 31525), (3395, 23855), (4771, 16975), (6305, 12845), (8827, 9175)]