18143125

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 80

約数和(自身を含む): 31489920

約数和(自身を除く): 13346795

約数列:

[1, 5, 7, 11, 13, 25, 29, 35, 55, 65, 77, 91, 125, 143, 145, 175, 203, 275, 319, 325, 377, 385, 455, 625, 715, 725, 875, 1001, 1015, 1375, 1595, 1625, 1885, 1925, 2233, 2275, 2639, 3575, 3625, 4147, 4375, 5005, 5075, 6875, 7975, 8125, 9425, 9625, 11165, 11375, 13195, 17875, 18125, 20735, 25025, 25375, 29029, 39875, 47125, 48125, 55825, 56875, 65975, 89375, 103675, 125125, 126875, 145145, 199375, 235625, 279125, 329875, 518375, 625625, 725725, 1395625, 1649375, 2591875, 3628625, 18143125]

約数ペア:

[(1, 18143125), (5, 3628625), (7, 2591875), (11, 1649375), (13, 1395625), (25, 725725), (29, 625625), (35, 518375), (55, 329875), (65, 279125), (77, 235625), (91, 199375), (125, 145145), (143, 126875), (145, 125125), (175, 103675), (203, 89375), (275, 65975), (319, 56875), (325, 55825), (377, 48125), (385, 47125), (455, 39875), (625, 29029), (715, 25375), (725, 25025), (875, 20735), (1001, 18125), (1015, 17875), (1375, 13195), (1595, 11375), (1625, 11165), (1885, 9625), (1925, 9425), (2233, 8125), (2275, 7975), (2639, 6875), (3575, 5075), (3625, 5005), (4147, 4375)]