81495050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17911}}^1$

素因数の和:17943

約数の個数: 48

約数和(自身を含む): 186571392

約数和(自身を除く): 105076342

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 17911, 35822, 89555, 125377, 179110, 232843, 250754, 447775, 465686, 626885, 895550, 1164215, 1253770, 1629901, 2328430, 3134425, 3259802, 5821075, 6268850, 8149505, 11642150, 16299010, 40747525, 81495050]

約数ペア:

[(1, 81495050), (2, 40747525), (5, 16299010), (7, 11642150), (10, 8149505), (13, 6268850), (14, 5821075), (25, 3259802), (26, 3134425), (35, 2328430), (50, 1629901), (65, 1253770), (70, 1164215), (91, 895550), (130, 626885), (175, 465686), (182, 447775), (325, 250754), (350, 232843), (455, 179110), (650, 125377), (910, 89555), (2275, 35822), (4550, 17911)]