80858300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{42557}}^1$

素因数の和:42590

約数の個数: 36

約数和(自身を含む): 184701720

約数和(自身を除く): 103843420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 42557, 85114, 170228, 212785, 425570, 808583, 851140, 1063925, 1617166, 2127850, 3234332, 4042915, 4255700, 8085830, 16171660, 20214575, 40429150, 80858300]

約数ペア:

[(1, 80858300), (2, 40429150), (4, 20214575), (5, 16171660), (10, 8085830), (19, 4255700), (20, 4042915), (25, 3234332), (38, 2127850), (50, 1617166), (76, 1063925), (95, 851140), (100, 808583), (190, 425570), (380, 212785), (475, 170228), (950, 85114), (1900, 42557)]