61500760

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1249}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 138600000

約数和(自身を除く): 77099240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 1249, 2462, 2498, 4924, 4996, 6155, 6245, 9848, 9992, 12310, 12490, 24620, 24980, 49240, 49960, 1537519, 3075038, 6150076, 7687595, 12300152, 15375190, 30750380, 61500760]

約数ペア:

[(1, 61500760), (2, 30750380), (4, 15375190), (5, 12300152), (8, 7687595), (10, 6150076), (20, 3075038), (40, 1537519), (1231, 49960), (1249, 49240), (2462, 24980), (2498, 24620), (4924, 12490), (4996, 12310), (6155, 9992), (6245, 9848)]