42202120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25733}}^1$

素因数の和:25785

約数の個数: 32

約数和(自身を含む): 97274520

約数和(自身を除く): 55072400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25733, 51466, 102932, 128665, 205864, 257330, 514660, 1029320, 1055053, 2110106, 4220212, 5275265, 8440424, 10550530, 21101060, 42202120]

約数ペア:

[(1, 42202120), (2, 21101060), (4, 10550530), (5, 8440424), (8, 5275265), (10, 4220212), (20, 2110106), (40, 1055053), (41, 1029320), (82, 514660), (164, 257330), (205, 205864), (328, 128665), (410, 102932), (820, 51466), (1640, 25733)]