80924380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56989}}^1$

素因数の和:57069

約数の個数: 24

約数和(自身を含む): 172337760

約数和(自身を除く): 91413380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 56989, 113978, 227956, 284945, 569890, 1139780, 4046219, 8092438, 16184876, 20231095, 40462190, 80924380]

約数ペア:

[(1, 80924380), (2, 40462190), (4, 20231095), (5, 16184876), (10, 8092438), (20, 4046219), (71, 1139780), (142, 569890), (284, 284945), (355, 227956), (710, 113978), (1420, 56989)]