100992020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 220147200

約数和(自身を除く): 119155180

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1559, 1580, 3118, 3239, 6236, 6478, 7795, 12956, 15590, 16195, 31180, 32390, 63919, 64780, 123161, 127838, 246322, 255676, 319595, 492644, 615805, 639190, 1231610, 1278380, 2463220, 5049601, 10099202, 20198404, 25248005, 50496010, 100992020]

約数ペア:

[(1, 100992020), (2, 50496010), (4, 25248005), (5, 20198404), (10, 10099202), (20, 5049601), (41, 2463220), (79, 1278380), (82, 1231610), (158, 639190), (164, 615805), (205, 492644), (316, 319595), (395, 255676), (410, 246322), (790, 127838), (820, 123161), (1559, 64780), (1580, 63919), (3118, 32390), (3239, 31180), (6236, 16195), (6478, 15590), (7795, 12956)]