72211220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{23911}}^1$

素因数の和:24071

約数の個数: 24

約数和(自身を含む): 152654208

約数和(自身を除く): 80442988

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 23911, 47822, 95644, 119555, 239110, 478220, 3610561, 7221122, 14442244, 18052805, 36105610, 72211220]

約数ペア:

[(1, 72211220), (2, 36105610), (4, 18052805), (5, 14442244), (10, 7221122), (20, 3610561), (151, 478220), (302, 239110), (604, 119555), (755, 95644), (1510, 47822), (3020, 23911)]