48628640

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{619}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 115305120

約数和(自身を除く): 66676480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 619, 982, 1238, 1964, 2455, 2476, 3095, 3928, 4910, 4952, 6190, 7856, 9820, 9904, 12380, 15712, 19640, 19808, 24760, 39280, 49520, 78560, 99040, 303929, 607858, 1215716, 1519645, 2431432, 3039290, 4862864, 6078580, 9725728, 12157160, 24314320, 48628640]

約数ペア:

[(1, 48628640), (2, 24314320), (4, 12157160), (5, 9725728), (8, 6078580), (10, 4862864), (16, 3039290), (20, 2431432), (32, 1519645), (40, 1215716), (80, 607858), (160, 303929), (491, 99040), (619, 78560), (982, 49520), (1238, 39280), (1964, 24760), (2455, 19808), (2476, 19640), (3095, 15712), (3928, 12380), (4910, 9904), (4952, 9820), (6190, 7856)]