38986480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2018

約数の個数: 80

約数和(自身を含む): 102805920

約数和(自身を除く): 63819440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1973, 1976, 2470, 3946, 3952, 4940, 7892, 9865, 9880, 15784, 19730, 19760, 25649, 31568, 37487, 39460, 51298, 74974, 78920, 102596, 128245, 149948, 157840, 187435, 205192, 256490, 299896, 374870, 410384, 487331, 512980, 599792, 749740, 974662, 1025960, 1499480, 1949324, 2051920, 2436655, 2998960, 3898648, 4873310, 7797296, 9746620, 19493240, 38986480]

約数ペア:

[(1, 38986480), (2, 19493240), (4, 9746620), (5, 7797296), (8, 4873310), (10, 3898648), (13, 2998960), (16, 2436655), (19, 2051920), (20, 1949324), (26, 1499480), (38, 1025960), (40, 974662), (52, 749740), (65, 599792), (76, 512980), (80, 487331), (95, 410384), (104, 374870), (130, 299896), (152, 256490), (190, 205192), (208, 187435), (247, 157840), (260, 149948), (304, 128245), (380, 102596), (494, 78920), (520, 74974), (760, 51298), (988, 39460), (1040, 37487), (1235, 31568), (1520, 25649), (1973, 19760), (1976, 19730), (2470, 15784), (3946, 9880), (3952, 9865), (4940, 7892)]