2016065780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{41161}}^1$

素因数の和:41280

約数の個数: 48

約数和(自身を含む): 4425738240

約数和(自身を除く): 2409672460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 9796, 12245, 24490, 41161, 48980, 82322, 164644, 205805, 411610, 823220, 1275991, 2551982, 3251719, 5103964, 6379955, 6503438, 12759910, 13006876, 16258595, 25519820, 32517190, 65034380, 100803289, 201606578, 403213156, 504016445, 1008032890, 2016065780]

約数ペア:

[(1, 2016065780), (2, 1008032890), (4, 504016445), (5, 403213156), (10, 201606578), (20, 100803289), (31, 65034380), (62, 32517190), (79, 25519820), (124, 16258595), (155, 13006876), (158, 12759910), (310, 6503438), (316, 6379955), (395, 5103964), (620, 3251719), (790, 2551982), (1580, 1275991), (2449, 823220), (4898, 411610), (9796, 205805), (12245, 164644), (24490, 82322), (41161, 48980)]