20163526640

素因数分解:

$2^4\times 5^1\times {\mathrm{4517}}^1\times {\mathrm{55799}}^1$

素因数の和:60329

約数の個数: 40

約数和(自身を含む): 46891418400

約数和(自身を除く): 26727891760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4517, 9034, 18068, 22585, 36136, 45170, 55799, 72272, 90340, 111598, 180680, 223196, 278995, 361360, 446392, 557990, 892784, 1115980, 2231960, 4463920, 252044083, 504088166, 1008176332, 1260220415, 2016352664, 2520440830, 4032705328, 5040881660, 10081763320, 20163526640]

約数ペア:

[(1, 20163526640), (2, 10081763320), (4, 5040881660), (5, 4032705328), (8, 2520440830), (10, 2016352664), (16, 1260220415), (20, 1008176332), (40, 504088166), (80, 252044083), (4517, 4463920), (9034, 2231960), (18068, 1115980), (22585, 892784), (36136, 557990), (45170, 446392), (55799, 361360), (72272, 278995), (90340, 223196), (111598, 180680)]