68701750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21139}}^1$

素因数の和:21169

約数の個数: 32

約数和(自身を含む): 138509280

約数和(自身を除く): 69807530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21139, 42278, 105695, 211390, 274807, 528475, 549614, 1056950, 1374035, 2642375, 2748070, 5284750, 6870175, 13740350, 34350875, 68701750]

約数ペア:

[(1, 68701750), (2, 34350875), (5, 13740350), (10, 6870175), (13, 5284750), (25, 2748070), (26, 2642375), (50, 1374035), (65, 1056950), (125, 549614), (130, 528475), (250, 274807), (325, 211390), (650, 105695), (1625, 42278), (3250, 21139)]