2686240

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 6447168

約数和(自身を除く): 3760928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 163, 206, 326, 412, 515, 652, 815, 824, 1030, 1304, 1630, 1648, 2060, 2608, 3260, 3296, 4120, 5216, 6520, 8240, 13040, 16480, 16789, 26080, 33578, 67156, 83945, 134312, 167890, 268624, 335780, 537248, 671560, 1343120, 2686240]

約数ペア:

[(1, 2686240), (2, 1343120), (4, 671560), (5, 537248), (8, 335780), (10, 268624), (16, 167890), (20, 134312), (32, 83945), (40, 67156), (80, 33578), (103, 26080), (160, 16789), (163, 16480), (206, 13040), (326, 8240), (412, 6520), (515, 5216), (652, 4120), (815, 3296), (824, 3260), (1030, 2608), (1304, 2060), (1630, 1648)]