400060

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 853776

約数和(自身を除く): 453716

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 241, 332, 415, 482, 830, 964, 1205, 1660, 2410, 4820, 20003, 40006, 80012, 100015, 200030, 400060]

約数ペア:

[(1, 400060), (2, 200030), (4, 100015), (5, 80012), (10, 40006), (20, 20003), (83, 4820), (166, 2410), (241, 1660), (332, 1205), (415, 964), (482, 830)]