82082020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 176033088

約数和(自身を除く): 93951068

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 197, 251, 332, 394, 415, 502, 788, 830, 985, 1004, 1255, 1660, 1970, 2510, 3940, 5020, 16351, 20833, 32702, 41666, 49447, 65404, 81755, 83332, 98894, 104165, 163510, 197788, 208330, 247235, 327020, 416660, 494470, 988940, 4104101, 8208202, 16416404, 20520505, 41041010, 82082020]

約数ペア:

[(1, 82082020), (2, 41041010), (4, 20520505), (5, 16416404), (10, 8208202), (20, 4104101), (83, 988940), (166, 494470), (197, 416660), (251, 327020), (332, 247235), (394, 208330), (415, 197788), (502, 163510), (788, 104165), (830, 98894), (985, 83332), (1004, 81755), (1255, 65404), (1660, 49447), (1970, 41666), (2510, 32702), (3940, 20833), (5020, 16351)]