20166059375

素因数分解:

$5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2035

約数の個数: 96

約数和(自身を含む): 32172940800

約数和(自身を除く): 12006881425

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 125, 175, 215, 275, 301, 385, 473, 625, 875, 1075, 1375, 1505, 1925, 1949, 2365, 3125, 3311, 4375, 5375, 6875, 7525, 9625, 9745, 11825, 13643, 16555, 21439, 21875, 26875, 34375, 37625, 48125, 48725, 59125, 68215, 82775, 83807, 107195, 134375, 150073, 188125, 240625, 243625, 295625, 341075, 413875, 419035, 535975, 586649, 750365, 921877, 940625, 1218125, 1478125, 1705375, 2069375, 2095175, 2679875, 2933245, 3751825, 4609385, 6090625, 6453139, 8526875, 10346875, 10475875, 13399375, 14666225, 18759125, 23046925, 32265695, 42634375, 52379375, 66996875, 73331125, 93795625, 115234625, 161328475, 261896875, 366655625, 468978125, 576173125, 806642375, 1833278125, 2880865625, 4033211875, 20166059375]

約数ペア:

[(1, 20166059375), (5, 4033211875), (7, 2880865625), (11, 1833278125), (25, 806642375), (35, 576173125), (43, 468978125), (55, 366655625), (77, 261896875), (125, 161328475), (175, 115234625), (215, 93795625), (275, 73331125), (301, 66996875), (385, 52379375), (473, 42634375), (625, 32265695), (875, 23046925), (1075, 18759125), (1375, 14666225), (1505, 13399375), (1925, 10475875), (1949, 10346875), (2365, 8526875), (3125, 6453139), (3311, 6090625), (4375, 4609385), (5375, 3751825), (6875, 2933245), (7525, 2679875), (9625, 2095175), (9745, 2069375), (11825, 1705375), (13643, 1478125), (16555, 1218125), (21439, 940625), (21875, 921877), (26875, 750365), (34375, 586649), (37625, 535975), (48125, 419035), (48725, 413875), (59125, 341075), (68215, 295625), (82775, 243625), (83807, 240625), (107195, 188125), (134375, 150073)]