23355380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13121}}^1$

素因数の和:13219

約数の個数: 24

約数和(自身を含む): 49601160

約数和(自身を除く): 26245780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 13121, 26242, 52484, 65605, 131210, 262420, 1167769, 2335538, 4671076, 5838845, 11677690, 23355380]

約数ペア:

[(1, 23355380), (2, 11677690), (4, 5838845), (5, 4671076), (10, 2335538), (20, 1167769), (89, 262420), (178, 131210), (356, 65605), (445, 52484), (890, 26242), (1780, 13121)]