2640320

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:277

約数の個数: 56

約数和(自身を含む): 6486144

約数和(自身を除く): 3845824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 223, 296, 320, 370, 446, 592, 740, 892, 1115, 1184, 1480, 1784, 2230, 2368, 2960, 3568, 4460, 5920, 7136, 8251, 8920, 11840, 14272, 16502, 17840, 33004, 35680, 41255, 66008, 71360, 82510, 132016, 165020, 264032, 330040, 528064, 660080, 1320160, 2640320]

約数ペア:

[(1, 2640320), (2, 1320160), (4, 660080), (5, 528064), (8, 330040), (10, 264032), (16, 165020), (20, 132016), (32, 82510), (37, 71360), (40, 66008), (64, 41255), (74, 35680), (80, 33004), (148, 17840), (160, 16502), (185, 14272), (223, 11840), (296, 8920), (320, 8251), (370, 7136), (446, 5920), (592, 4460), (740, 3568), (892, 2960), (1115, 2368), (1184, 2230), (1480, 1784)]