40425970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{310969}}^1$

素因数の和:310989

約数の個数: 16

約数和(自身を含む): 78364440

約数和(自身を除く): 37938470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 310969, 621938, 1554845, 3109690, 4042597, 8085194, 20212985, 40425970]

約数ペア:

[(1, 40425970), (2, 20212985), (5, 8085194), (10, 4042597), (13, 3109690), (26, 1554845), (65, 621938), (130, 310969)]