79363420

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20143}}^1$

素因数の和:20349

約数の個数: 24

約数和(自身を含む): 167517504

約数和(自身を除く): 88154084

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 20143, 40286, 80572, 100715, 201430, 402860, 3968171, 7936342, 15872684, 19840855, 39681710, 79363420]

約数ペア:

[(1, 79363420), (2, 39681710), (4, 19840855), (5, 15872684), (10, 7936342), (20, 3968171), (197, 402860), (394, 201430), (788, 100715), (985, 80572), (1970, 40286), (3940, 20143)]