55016240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7727}}^1$

素因数の和:7829

約数の個数: 40

約数和(自身を含む): 129366720

約数和(自身を除く): 74350480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 7727, 15454, 30908, 38635, 61816, 77270, 123632, 154540, 309080, 618160, 687703, 1375406, 2750812, 3438515, 5501624, 6877030, 11003248, 13754060, 27508120, 55016240]

約数ペア:

[(1, 55016240), (2, 27508120), (4, 13754060), (5, 11003248), (8, 6877030), (10, 5501624), (16, 3438515), (20, 2750812), (40, 1375406), (80, 687703), (89, 618160), (178, 309080), (356, 154540), (445, 123632), (712, 77270), (890, 61816), (1424, 38635), (1780, 30908), (3560, 15454), (7120, 7727)]