974850640

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{18661}}^1$

素因数の和:19327

約数の個数: 40

約数和(自身を含む): 2270120328

約数和(自身を除く): 1295269688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 5224, 6530, 10448, 13060, 18661, 26120, 37322, 52240, 74644, 93305, 149288, 186610, 298576, 373220, 746440, 1492880, 12185633, 24371266, 48742532, 60928165, 97485064, 121856330, 194970128, 243712660, 487425320, 974850640]

約数ペア:

[(1, 974850640), (2, 487425320), (4, 243712660), (5, 194970128), (8, 121856330), (10, 97485064), (16, 60928165), (20, 48742532), (40, 24371266), (80, 12185633), (653, 1492880), (1306, 746440), (2612, 373220), (3265, 298576), (5224, 186610), (6530, 149288), (10448, 93305), (13060, 74644), (18661, 52240), (26120, 37322)]