159431320

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{7621}}^1$

素因数の和:8155

約数の個数: 32

約数和(自身を含む): 359453520

約数和(自身を除く): 200022200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 7621, 10460, 15242, 20920, 30484, 38105, 60968, 76210, 152420, 304840, 3985783, 7971566, 15943132, 19928915, 31886264, 39857830, 79715660, 159431320]

約数ペア:

[(1, 159431320), (2, 79715660), (4, 39857830), (5, 31886264), (8, 19928915), (10, 15943132), (20, 7971566), (40, 3985783), (523, 304840), (1046, 152420), (2092, 76210), (2615, 60968), (4184, 38105), (5230, 30484), (7621, 20920), (10460, 15242)]