40308710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 78466752

約数和(自身を除く): 38158042

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 997, 1555, 1994, 3110, 4043, 4985, 8086, 9970, 12961, 20215, 25922, 40430, 64805, 129610, 310067, 620134, 1550335, 3100670, 4030871, 8061742, 20154355, 40308710]

約数ペア:

[(1, 40308710), (2, 20154355), (5, 8061742), (10, 4030871), (13, 3100670), (26, 1550335), (65, 620134), (130, 310067), (311, 129610), (622, 64805), (997, 40430), (1555, 25922), (1994, 20215), (3110, 12961), (4043, 9970), (4985, 8086)]