49115980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 105993216

約数和(自身を除く): 56877236

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 317, 508, 610, 634, 635, 1220, 1268, 1270, 1585, 2540, 3170, 6340, 7747, 15494, 19337, 30988, 38674, 38735, 40259, 77348, 77470, 80518, 96685, 154940, 161036, 193370, 201295, 386740, 402590, 805180, 2455799, 4911598, 9823196, 12278995, 24557990, 49115980]

約数ペア:

[(1, 49115980), (2, 24557990), (4, 12278995), (5, 9823196), (10, 4911598), (20, 2455799), (61, 805180), (122, 402590), (127, 386740), (244, 201295), (254, 193370), (305, 161036), (317, 154940), (508, 96685), (610, 80518), (634, 77470), (635, 77348), (1220, 40259), (1268, 38735), (1270, 38674), (1585, 30988), (2540, 19337), (3170, 15494), (6340, 7747)]