128022064

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258109}}^1$

素因数の和:258148

約数の個数: 20

約数和(自身を含む): 256045120

約数和(自身を除く): 128023056

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258109, 516218, 1032436, 2064872, 4129744, 8001379, 16002758, 32005516, 64011032, 128022064]

約数ペア:

[(1, 128022064), (2, 64011032), (4, 32005516), (8, 16002758), (16, 8001379), (31, 4129744), (62, 2064872), (124, 1032436), (248, 516218), (496, 258109)]