40730990

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{9721}}^1$

素因数の和:10147

約数の個数: 16

約数和(自身を含む): 73498320

約数和(自身を除く): 32767330

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 9721, 19442, 48605, 97210, 4073099, 8146198, 20365495, 40730990]

約数ペア:

[(1, 40730990), (2, 20365495), (5, 8146198), (10, 4073099), (419, 97210), (838, 48605), (2095, 19442), (4190, 9721)]