200620640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113989}}^1$

素因数の和:114015

約数の個数: 48

約数和(自身を含む): 517058640

約数和(自身を除く): 316438000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 113989, 227978, 455956, 569945, 911912, 1139890, 1253879, 1823824, 2279780, 2507758, 3647648, 4559560, 5015516, 6269395, 9119120, 10031032, 12538790, 18238240, 20062064, 25077580, 40124128, 50155160, 100310320, 200620640]

約数ペア:

[(1, 200620640), (2, 100310320), (4, 50155160), (5, 40124128), (8, 25077580), (10, 20062064), (11, 18238240), (16, 12538790), (20, 10031032), (22, 9119120), (32, 6269395), (40, 5015516), (44, 4559560), (55, 3647648), (80, 2507758), (88, 2279780), (110, 1823824), (160, 1253879), (176, 1139890), (220, 911912), (352, 569945), (440, 455956), (880, 227978), (1760, 113989)]