31554640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30341}}^1$

素因数の和:30367

約数の個数: 40

約数和(自身を含む): 79010568

約数和(自身を除く): 47455928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30341, 60682, 121364, 151705, 242728, 303410, 394433, 485456, 606820, 788866, 1213640, 1577732, 1972165, 2427280, 3155464, 3944330, 6310928, 7888660, 15777320, 31554640]

約数ペア:

[(1, 31554640), (2, 15777320), (4, 7888660), (5, 6310928), (8, 3944330), (10, 3155464), (13, 2427280), (16, 1972165), (20, 1577732), (26, 1213640), (40, 788866), (52, 606820), (65, 485456), (80, 394433), (104, 303410), (130, 242728), (208, 151705), (260, 121364), (520, 60682), (1040, 30341)]