520020542990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{256799}}^1$

素因数の和:257277

約数の個数: 64

約数和(自身を含む): 1037747289600

約数和(自身を除く): 517726746610

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 421, 481, 842, 962, 2105, 2405, 4210, 4810, 5473, 10946, 15577, 27365, 31154, 54730, 77885, 155770, 202501, 256799, 405002, 513598, 1012505, 1283995, 2025010, 2567990, 3338387, 6676774, 9501563, 16691935, 19003126, 33383870, 47507815, 95015630, 108112379, 123520319, 216224758, 247040638, 540561895, 617601595, 1081123790, 1235203190, 1405460927, 2810921854, 4000158023, 7027304635, 8000316046, 14054609270, 20000790115, 40001580230, 52002054299, 104004108598, 260010271495, 520020542990]

約数ペア:

[(1, 520020542990), (2, 260010271495), (5, 104004108598), (10, 52002054299), (13, 40001580230), (26, 20000790115), (37, 14054609270), (65, 8000316046), (74, 7027304635), (130, 4000158023), (185, 2810921854), (370, 1405460927), (421, 1235203190), (481, 1081123790), (842, 617601595), (962, 540561895), (2105, 247040638), (2405, 216224758), (4210, 123520319), (4810, 108112379), (5473, 95015630), (10946, 47507815), (15577, 33383870), (27365, 19003126), (31154, 16691935), (54730, 9501563), (77885, 6676774), (155770, 3338387), (202501, 2567990), (256799, 2025010), (405002, 1283995), (513598, 1012505)]