40751620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22391}}^1$

素因数の和:22420

約数の個数: 48

約数和(自身を含む): 105331968

約数和(自身を除く): 64580348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 22391, 44782, 89564, 111955, 156737, 223910, 291083, 313474, 447820, 582166, 626948, 783685, 1164332, 1455415, 1567370, 2037581, 2910830, 3134740, 4075162, 5821660, 8150324, 10187905, 20375810, 40751620]

約数ペア:

[(1, 40751620), (2, 20375810), (4, 10187905), (5, 8150324), (7, 5821660), (10, 4075162), (13, 3134740), (14, 2910830), (20, 2037581), (26, 1567370), (28, 1455415), (35, 1164332), (52, 783685), (65, 626948), (70, 582166), (91, 447820), (130, 313474), (140, 291083), (182, 223910), (260, 156737), (364, 111955), (455, 89564), (910, 44782), (1820, 22391)]