26209840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2357}}^1$

素因数の和:2509

約数の個数: 40

約数和(自身を含む): 61402320

約数和(自身を除く): 35192480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2357, 2780, 4714, 5560, 9428, 11120, 11785, 18856, 23570, 37712, 47140, 94280, 188560, 327623, 655246, 1310492, 1638115, 2620984, 3276230, 5241968, 6552460, 13104920, 26209840]

約数ペア:

[(1, 26209840), (2, 13104920), (4, 6552460), (5, 5241968), (8, 3276230), (10, 2620984), (16, 1638115), (20, 1310492), (40, 655246), (80, 327623), (139, 188560), (278, 94280), (556, 47140), (695, 37712), (1112, 23570), (1390, 18856), (2224, 11785), (2357, 11120), (2780, 9428), (4714, 5560)]