51189280

素因数分解:

$2^5\times 5^1\times {\mathrm{463}}^1\times {\mathrm{691}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 121371264

約数和(自身を除く): 70181984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 463, 691, 926, 1382, 1852, 2315, 2764, 3455, 3704, 4630, 5528, 6910, 7408, 9260, 11056, 13820, 14816, 18520, 22112, 27640, 37040, 55280, 74080, 110560, 319933, 639866, 1279732, 1599665, 2559464, 3199330, 5118928, 6398660, 10237856, 12797320, 25594640, 51189280]

約数ペア:

[(1, 51189280), (2, 25594640), (4, 12797320), (5, 10237856), (8, 6398660), (10, 5118928), (16, 3199330), (20, 2559464), (32, 1599665), (40, 1279732), (80, 639866), (160, 319933), (463, 110560), (691, 74080), (926, 55280), (1382, 37040), (1852, 27640), (2315, 22112), (2764, 18520), (3455, 14816), (3704, 13820), (4630, 11056), (5528, 9260), (6910, 7408)]