4437940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 10195920

約数和(自身を除く): 5757980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 169, 202, 260, 338, 404, 505, 676, 845, 1010, 1313, 1690, 2020, 2197, 2626, 3380, 4394, 5252, 6565, 8788, 10985, 13130, 17069, 21970, 26260, 34138, 43940, 68276, 85345, 170690, 221897, 341380, 443794, 887588, 1109485, 2218970, 4437940]

約数ペア:

[(1, 4437940), (2, 2218970), (4, 1109485), (5, 887588), (10, 443794), (13, 341380), (20, 221897), (26, 170690), (52, 85345), (65, 68276), (101, 43940), (130, 34138), (169, 26260), (202, 21970), (260, 17069), (338, 13130), (404, 10985), (505, 8788), (676, 6565), (845, 5252), (1010, 4394), (1313, 3380), (1690, 2626), (2020, 2197)]