40213940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154669}}^1$

素因数の和:154691

約数の個数: 24

約数和(自身を含む): 90945960

約数和(自身を除く): 50732020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154669, 309338, 618676, 773345, 1546690, 2010697, 3093380, 4021394, 8042788, 10053485, 20106970, 40213940]

約数ペア:

[(1, 40213940), (2, 20106970), (4, 10053485), (5, 8042788), (10, 4021394), (13, 3093380), (20, 2010697), (26, 1546690), (52, 773345), (65, 618676), (130, 309338), (260, 154669)]