2638480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 6874560

約数和(自身を除く): 4236080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 59, 65, 80, 86, 104, 118, 130, 172, 208, 215, 236, 260, 295, 344, 430, 472, 520, 559, 590, 688, 767, 860, 944, 1040, 1118, 1180, 1534, 1720, 2236, 2360, 2537, 2795, 3068, 3440, 3835, 4472, 4720, 5074, 5590, 6136, 7670, 8944, 10148, 11180, 12272, 12685, 15340, 20296, 22360, 25370, 30680, 32981, 40592, 44720, 50740, 61360, 65962, 101480, 131924, 164905, 202960, 263848, 329810, 527696, 659620, 1319240, 2638480]

約数ペア:

[(1, 2638480), (2, 1319240), (4, 659620), (5, 527696), (8, 329810), (10, 263848), (13, 202960), (16, 164905), (20, 131924), (26, 101480), (40, 65962), (43, 61360), (52, 50740), (59, 44720), (65, 40592), (80, 32981), (86, 30680), (104, 25370), (118, 22360), (130, 20296), (172, 15340), (208, 12685), (215, 12272), (236, 11180), (260, 10148), (295, 8944), (344, 7670), (430, 6136), (472, 5590), (520, 5074), (559, 4720), (590, 4472), (688, 3835), (767, 3440), (860, 3068), (944, 2795), (1040, 2537), (1118, 2360), (1180, 2236), (1534, 1720)]