25515760

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1019}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 59572080

約数和(自身を除く): 34056320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1019, 1252, 1565, 2038, 2504, 3130, 4076, 5008, 5095, 6260, 8152, 10190, 12520, 16304, 20380, 25040, 40760, 81520, 318947, 637894, 1275788, 1594735, 2551576, 3189470, 5103152, 6378940, 12757880, 25515760]

約数ペア:

[(1, 25515760), (2, 12757880), (4, 6378940), (5, 5103152), (8, 3189470), (10, 2551576), (16, 1594735), (20, 1275788), (40, 637894), (80, 318947), (313, 81520), (626, 40760), (1019, 25040), (1252, 20380), (1565, 16304), (2038, 12520), (2504, 10190), (3130, 8152), (4076, 6260), (5008, 5095)]