81209200

素因数分解:

$2^4\times 5^2\times {\mathrm{203023}}^1$

素因数の和:203041

約数の個数: 30

約数和(自身を含む): 195106064

約数和(自身を除く): 113896864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 203023, 406046, 812092, 1015115, 1624184, 2030230, 3248368, 4060460, 5075575, 8120920, 10151150, 16241840, 20302300, 40604600, 81209200]

約数ペア:

[(1, 81209200), (2, 40604600), (4, 20302300), (5, 16241840), (8, 10151150), (10, 8120920), (16, 5075575), (20, 4060460), (25, 3248368), (40, 2030230), (50, 1624184), (80, 1015115), (100, 812092), (200, 406046), (400, 203023)]