53380420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{29989}}^1$

素因数の和:30087

約数の個数: 24

約数和(自身を含む): 113362200

約数和(自身を除く): 59981780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 29989, 59978, 119956, 149945, 299890, 599780, 2669021, 5338042, 10676084, 13345105, 26690210, 53380420]

約数ペア:

[(1, 53380420), (2, 26690210), (4, 13345105), (5, 10676084), (10, 5338042), (20, 2669021), (89, 599780), (178, 299890), (356, 149945), (445, 119956), (890, 59978), (1780, 29989)]