57471920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65309}}^1$

素因数の和:65333

約数の個数: 40

約数和(自身を含む): 145771920

約数和(自身を除く): 88300000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 65309, 130618, 261236, 326545, 522472, 653090, 718399, 1044944, 1306180, 1436798, 2612360, 2873596, 3591995, 5224720, 5747192, 7183990, 11494384, 14367980, 28735960, 57471920]

約数ペア:

[(1, 57471920), (2, 28735960), (4, 14367980), (5, 11494384), (8, 7183990), (10, 5747192), (11, 5224720), (16, 3591995), (20, 2873596), (22, 2612360), (40, 1436798), (44, 1306180), (55, 1044944), (80, 718399), (88, 653090), (110, 522472), (176, 326545), (220, 261236), (440, 130618), (880, 65309)]