71072420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{50051}}^1$

素因数の和:50131

約数の個数: 24

約数和(自身を含む): 151357248

約数和(自身を除く): 80284828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 50051, 100102, 200204, 250255, 500510, 1001020, 3553621, 7107242, 14214484, 17768105, 35536210, 71072420]

約数ペア:

[(1, 71072420), (2, 35536210), (4, 17768105), (5, 14214484), (10, 7107242), (20, 3553621), (71, 1001020), (142, 500510), (284, 250255), (355, 200204), (710, 100102), (1420, 50051)]