28735960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65309}}^1$

素因数の和:65331

約数の個数: 32

約数和(自身を含む): 70534800

約数和(自身を除く): 41798840

約数列:

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

約数ペア:

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