13330625

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 20843328

約数和(自身を除く): 7512703

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 277, 385, 625, 875, 1375, 1385, 1925, 1939, 3047, 4375, 6875, 6925, 9625, 9695, 15235, 21329, 34625, 48125, 48475, 76175, 106645, 173125, 242375, 380875, 533225, 1211875, 1904375, 2666125, 13330625]

約数ペア:

[(1, 13330625), (5, 2666125), (7, 1904375), (11, 1211875), (25, 533225), (35, 380875), (55, 242375), (77, 173125), (125, 106645), (175, 76175), (275, 48475), (277, 48125), (385, 34625), (625, 21329), (875, 15235), (1375, 9695), (1385, 9625), (1925, 6925), (1939, 6875), (3047, 4375)]