80620220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 173039328

約数和(自身を除く): 92419108

約数列:

[1, 2, 4, 5, 10, 20, 101, 107, 202, 214, 373, 404, 428, 505, 535, 746, 1010, 1070, 1492, 1865, 2020, 2140, 3730, 7460, 10807, 21614, 37673, 39911, 43228, 54035, 75346, 79822, 108070, 150692, 159644, 188365, 199555, 216140, 376730, 399110, 753460, 798220, 4031011, 8062022, 16124044, 20155055, 40310110, 80620220]

約数ペア:

[(1, 80620220), (2, 40310110), (4, 20155055), (5, 16124044), (10, 8062022), (20, 4031011), (101, 798220), (107, 753460), (202, 399110), (214, 376730), (373, 216140), (404, 199555), (428, 188365), (505, 159644), (535, 150692), (746, 108070), (1010, 79822), (1070, 75346), (1492, 54035), (1865, 43228), (2020, 39911), (2140, 37673), (3730, 21614), (7460, 10807)]