80395975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 119322720

約数和(自身を除く): 38926745

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 145, 187, 275, 319, 425, 493, 593, 725, 935, 1595, 2465, 2965, 4675, 5423, 6523, 7975, 10081, 12325, 14825, 17197, 27115, 32615, 50405, 85985, 110891, 135575, 163075, 189167, 252025, 292349, 429925, 554455, 945835, 1461745, 2772275, 3215839, 4729175, 7308725, 16079195, 80395975]

約数ペア:

[(1, 80395975), (5, 16079195), (11, 7308725), (17, 4729175), (25, 3215839), (29, 2772275), (55, 1461745), (85, 945835), (145, 554455), (187, 429925), (275, 292349), (319, 252025), (425, 189167), (493, 163075), (593, 135575), (725, 110891), (935, 85985), (1595, 50405), (2465, 32615), (2965, 27115), (4675, 17197), (5423, 14825), (6523, 12325), (7975, 10081)]