80807380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{212651}}^1$

素因数の和:212679

約数の個数: 24

約数和(自身を含む): 178627680

約数和(自身を除く): 97820300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 212651, 425302, 850604, 1063255, 2126510, 4040369, 4253020, 8080738, 16161476, 20201845, 40403690, 80807380]

約数ペア:

[(1, 80807380), (2, 40403690), (4, 20201845), (5, 16161476), (10, 8080738), (19, 4253020), (20, 4040369), (38, 2126510), (76, 1063255), (95, 850604), (190, 425302), (380, 212651)]