12753620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 30240000

約数和(自身を除く): 17486380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 1999, 3190, 3998, 6380, 7996, 9995, 19990, 21989, 39980, 43978, 57971, 87956, 109945, 115942, 219890, 231884, 289855, 439780, 579710, 637681, 1159420, 1275362, 2550724, 3188405, 6376810, 12753620]

約数ペア:

[(1, 12753620), (2, 6376810), (4, 3188405), (5, 2550724), (10, 1275362), (11, 1159420), (20, 637681), (22, 579710), (29, 439780), (44, 289855), (55, 231884), (58, 219890), (110, 115942), (116, 109945), (145, 87956), (220, 57971), (290, 43978), (319, 39980), (580, 21989), (638, 19990), (1276, 9995), (1595, 7996), (1999, 6380), (3190, 3998)]