1685920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 4096008

約数和(自身を除く): 2410088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 257, 328, 410, 514, 656, 820, 1028, 1285, 1312, 1640, 2056, 2570, 3280, 4112, 5140, 6560, 8224, 10280, 10537, 20560, 21074, 41120, 42148, 52685, 84296, 105370, 168592, 210740, 337184, 421480, 842960, 1685920]

約数ペア:

[(1, 1685920), (2, 842960), (4, 421480), (5, 337184), (8, 210740), (10, 168592), (16, 105370), (20, 84296), (32, 52685), (40, 42148), (41, 41120), (80, 21074), (82, 20560), (160, 10537), (164, 10280), (205, 8224), (257, 6560), (328, 5140), (410, 4112), (514, 3280), (656, 2570), (820, 2056), (1028, 1640), (1285, 1312)]