128508747260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6311}}^1\times {\mathrm{32843}}^1$

素因数の和:39194

約数の個数: 48

約数和(自身を含む): 278626424832

約数和(自身を除く): 150117677572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6311, 12622, 25244, 31555, 32843, 63110, 65686, 126220, 131372, 164215, 195641, 328430, 391282, 656860, 782564, 978205, 1018133, 1956410, 2036266, 3912820, 4072532, 5090665, 10181330, 20362660, 207272173, 414544346, 829088692, 1036360865, 2072721730, 4145443460, 6425437363, 12850874726, 25701749452, 32127186815, 64254373630, 128508747260]

約数ペア:

[(1, 128508747260), (2, 64254373630), (4, 32127186815), (5, 25701749452), (10, 12850874726), (20, 6425437363), (31, 4145443460), (62, 2072721730), (124, 1036360865), (155, 829088692), (310, 414544346), (620, 207272173), (6311, 20362660), (12622, 10181330), (25244, 5090665), (31555, 4072532), (32843, 3912820), (63110, 2036266), (65686, 1956410), (126220, 1018133), (131372, 978205), (164215, 782564), (195641, 656860), (328430, 391282)]