31008400

素因数分解:

$2^4\times 5^2\times {\mathrm{77521}}^1$

素因数の和:77539

約数の個数: 30

約数和(自身を含む): 74498642

約数和(自身を除く): 43490242

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 77521, 155042, 310084, 387605, 620168, 775210, 1240336, 1550420, 1938025, 3100840, 3876050, 6201680, 7752100, 15504200, 31008400]

約数ペア:

[(1, 31008400), (2, 15504200), (4, 7752100), (5, 6201680), (8, 3876050), (10, 3100840), (16, 1938025), (20, 1550420), (25, 1240336), (40, 775210), (50, 620168), (80, 387605), (100, 310084), (200, 155042), (400, 77521)]