140205880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{31019}}^1$

素因数の和:31143

約数の個数: 32

約数和(自身を含む): 318265200

約数和(自身を除く): 178059320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 31019, 62038, 124076, 155095, 248152, 310190, 620380, 1240760, 3505147, 7010294, 14020588, 17525735, 28041176, 35051470, 70102940, 140205880]

約数ペア:

[(1, 140205880), (2, 70102940), (4, 35051470), (5, 28041176), (8, 17525735), (10, 14020588), (20, 7010294), (40, 3505147), (113, 1240760), (226, 620380), (452, 310190), (565, 248152), (904, 155095), (1130, 124076), (2260, 62038), (4520, 31019)]