113920

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 275940

約数和(自身を除く): 162020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 890, 1280, 1424, 1780, 2848, 3560, 5696, 7120, 11392, 14240, 22784, 28480, 56960, 113920]

約数ペア:

[(1, 113920), (2, 56960), (4, 28480), (5, 22784), (8, 14240), (10, 11392), (16, 7120), (20, 5696), (32, 3560), (40, 2848), (64, 1780), (80, 1424), (89, 1280), (128, 890), (160, 712), (178, 640), (256, 445), (320, 356)]