38405320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13523}}^1$

素因数の和:13605

約数の個数: 32

約数和(自身を含む): 87635520

約数和(自身を除く): 49230200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13523, 27046, 54092, 67615, 108184, 135230, 270460, 540920, 960133, 1920266, 3840532, 4800665, 7681064, 9601330, 19202660, 38405320]

約数ペア:

[(1, 38405320), (2, 19202660), (4, 9601330), (5, 7681064), (8, 4800665), (10, 3840532), (20, 1920266), (40, 960133), (71, 540920), (142, 270460), (284, 135230), (355, 108184), (568, 67615), (710, 54092), (1420, 27046), (2840, 13523)]