16861887550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{647}}^1\times {\mathrm{12713}}^1$

素因数の和:13413

約数の個数: 48

約数和(自身を含む): 32180252832

約数和(自身を除く): 15318365282

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 647, 1025, 1294, 2050, 3235, 6470, 12713, 16175, 25426, 26527, 32350, 53054, 63565, 127130, 132635, 265270, 317825, 521233, 635650, 663175, 1042466, 1326350, 2606165, 5212330, 8225311, 13030825, 16450622, 26061650, 41126555, 82253110, 205632775, 337237751, 411265550, 674475502, 1686188755, 3372377510, 8430943775, 16861887550]

約数ペア:

[(1, 16861887550), (2, 8430943775), (5, 3372377510), (10, 1686188755), (25, 674475502), (41, 411265550), (50, 337237751), (82, 205632775), (205, 82253110), (410, 41126555), (647, 26061650), (1025, 16450622), (1294, 13030825), (2050, 8225311), (3235, 5212330), (6470, 2606165), (12713, 1326350), (16175, 1042466), (25426, 663175), (26527, 635650), (32350, 521233), (53054, 317825), (63565, 265270), (127130, 132635)]