25805420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1151}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 32255380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1151, 1180, 2242, 2302, 4484, 4604, 5605, 5755, 11210, 11510, 21869, 22420, 23020, 43738, 67909, 87476, 109345, 135818, 218690, 271636, 339545, 437380, 679090, 1290271, 1358180, 2580542, 5161084, 6451355, 12902710, 25805420]

約数ペア:

[(1, 25805420), (2, 12902710), (4, 6451355), (5, 5161084), (10, 2580542), (19, 1358180), (20, 1290271), (38, 679090), (59, 437380), (76, 339545), (95, 271636), (118, 218690), (190, 135818), (236, 109345), (295, 87476), (380, 67909), (590, 43738), (1121, 23020), (1151, 22420), (1180, 21869), (2242, 11510), (2302, 11210), (4484, 5755), (4604, 5605)]