140986240

素因数分解:

$2^7\times 5^1\times {\mathrm{220291}}^1$

素因数の和:220310

約数の個数: 32

約数和(自身を含む): 337046760

約数和(自身を除く): 196060520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 220291, 440582, 881164, 1101455, 1762328, 2202910, 3524656, 4405820, 7049312, 8811640, 14098624, 17623280, 28197248, 35246560, 70493120, 140986240]

約数ペア:

[(1, 140986240), (2, 70493120), (4, 35246560), (5, 28197248), (8, 17623280), (10, 14098624), (16, 8811640), (20, 7049312), (32, 4405820), (40, 3524656), (64, 2202910), (80, 1762328), (128, 1101455), (160, 881164), (320, 440582), (640, 220291)]