131634680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 178022920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1279, 1660, 2558, 2573, 3320, 5116, 5146, 6395, 10232, 10292, 12790, 12865, 20584, 25580, 25730, 39649, 51160, 51460, 79298, 102920, 106157, 158596, 198245, 212314, 317192, 396490, 424628, 530785, 792980, 849256, 1061570, 1585960, 2123140, 3290867, 4246280, 6581734, 13163468, 16454335, 26326936, 32908670, 65817340, 131634680]

約数ペア:

[(1, 131634680), (2, 65817340), (4, 32908670), (5, 26326936), (8, 16454335), (10, 13163468), (20, 6581734), (31, 4246280), (40, 3290867), (62, 2123140), (83, 1585960), (124, 1061570), (155, 849256), (166, 792980), (248, 530785), (310, 424628), (332, 396490), (415, 317192), (620, 212314), (664, 198245), (830, 158596), (1240, 106157), (1279, 102920), (1660, 79298), (2558, 51460), (2573, 51160), (3320, 39649), (5116, 25730), (5146, 25580), (6395, 20584), (10232, 12865), (10292, 12790)]