67201780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{40483}}^1$

素因数の和:40575

約数の個数: 24

約数和(自身を含む): 142827552

約数和(自身を除く): 75625772

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 40483, 80966, 161932, 202415, 404830, 809660, 3360089, 6720178, 13440356, 16800445, 33600890, 67201780]

約数ペア:

[(1, 67201780), (2, 33600890), (4, 16800445), (5, 13440356), (10, 6720178), (20, 3360089), (83, 809660), (166, 404830), (332, 202415), (415, 161932), (830, 80966), (1660, 40483)]