55020320

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 130491648

約数和(自身を除く): 75471328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 991, 1388, 1735, 1982, 2776, 3470, 3964, 4955, 5552, 6940, 7928, 9910, 11104, 13880, 15856, 19820, 27760, 31712, 39640, 55520, 79280, 158560, 343877, 687754, 1375508, 1719385, 2751016, 3438770, 5502032, 6877540, 11004064, 13755080, 27510160, 55020320]

約数ペア:

[(1, 55020320), (2, 27510160), (4, 13755080), (5, 11004064), (8, 6877540), (10, 5502032), (16, 3438770), (20, 2751016), (32, 1719385), (40, 1375508), (80, 687754), (160, 343877), (347, 158560), (694, 79280), (991, 55520), (1388, 39640), (1735, 31712), (1982, 27760), (2776, 19820), (3470, 15856), (3964, 13880), (4955, 11104), (5552, 9910), (6940, 7928)]