80950480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 204143184

約数和(自身を除く): 123192704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 277, 281, 520, 554, 562, 1040, 1108, 1124, 1385, 1405, 2216, 2248, 2770, 2810, 3601, 3653, 4432, 4496, 5540, 5620, 7202, 7306, 11080, 11240, 14404, 14612, 18005, 18265, 22160, 22480, 28808, 29224, 36010, 36530, 57616, 58448, 72020, 73060, 77837, 144040, 146120, 155674, 288080, 292240, 311348, 389185, 622696, 778370, 1011881, 1245392, 1556740, 2023762, 3113480, 4047524, 5059405, 6226960, 8095048, 10118810, 16190096, 20237620, 40475240, 80950480]

約数ペア:

[(1, 80950480), (2, 40475240), (4, 20237620), (5, 16190096), (8, 10118810), (10, 8095048), (13, 6226960), (16, 5059405), (20, 4047524), (26, 3113480), (40, 2023762), (52, 1556740), (65, 1245392), (80, 1011881), (104, 778370), (130, 622696), (208, 389185), (260, 311348), (277, 292240), (281, 288080), (520, 155674), (554, 146120), (562, 144040), (1040, 77837), (1108, 73060), (1124, 72020), (1385, 58448), (1405, 57616), (2216, 36530), (2248, 36010), (2770, 29224), (2810, 28808), (3601, 22480), (3653, 22160), (4432, 18265), (4496, 18005), (5540, 14612), (5620, 14404), (7202, 11240), (7306, 11080)]