39877420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4421}}^1$

素因数の和:4482

約数の個数: 48

約数和(自身を含む): 93604896

約数和(自身を除く): 53727476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4421, 4510, 8842, 9020, 17684, 22105, 44210, 48631, 88420, 97262, 181261, 194524, 243155, 362522, 486310, 725044, 906305, 972620, 1812610, 1993871, 3625220, 3987742, 7975484, 9969355, 19938710, 39877420]

約数ペア:

[(1, 39877420), (2, 19938710), (4, 9969355), (5, 7975484), (10, 3987742), (11, 3625220), (20, 1993871), (22, 1812610), (41, 972620), (44, 906305), (55, 725044), (82, 486310), (110, 362522), (164, 243155), (205, 194524), (220, 181261), (410, 97262), (451, 88420), (820, 48631), (902, 44210), (1804, 22105), (2255, 17684), (4421, 9020), (4510, 8842)]