27938630

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 52200288

約数和(自身を除く): 24261658

約数列:

[1, 2, 5, 10, 41, 82, 83, 166, 205, 410, 415, 821, 830, 1642, 3403, 4105, 6806, 8210, 17015, 33661, 34030, 67322, 68143, 136286, 168305, 336610, 340715, 681430, 2793863, 5587726, 13969315, 27938630]

約数ペア:

[(1, 27938630), (2, 13969315), (5, 5587726), (10, 2793863), (41, 681430), (82, 340715), (83, 336610), (166, 168305), (205, 136286), (410, 68143), (415, 67322), (821, 34030), (830, 33661), (1642, 17015), (3403, 8210), (4105, 6806)]