26197580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 58786560

約数和(自身を除く): 32588980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 971, 1349, 1420, 1942, 2698, 3884, 4855, 5396, 6745, 9710, 13490, 18449, 19420, 26980, 36898, 68941, 73796, 92245, 137882, 184490, 275764, 344705, 368980, 689410, 1309879, 1378820, 2619758, 5239516, 6549395, 13098790, 26197580]

約数ペア:

[(1, 26197580), (2, 13098790), (4, 6549395), (5, 5239516), (10, 2619758), (19, 1378820), (20, 1309879), (38, 689410), (71, 368980), (76, 344705), (95, 275764), (142, 184490), (190, 137882), (284, 92245), (355, 73796), (380, 68941), (710, 36898), (971, 26980), (1349, 19420), (1420, 18449), (1942, 13490), (2698, 9710), (3884, 6745), (4855, 5396)]