123865520

素因数分解:

$2^4\times 5^1\times {\mathrm{773}}^1\times {\mathrm{2003}}^1$

素因数の和:2789

約数の個数: 40

約数和(自身を含む): 288503856

約数和(自身を除く): 164638336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 773, 1546, 2003, 3092, 3865, 4006, 6184, 7730, 8012, 10015, 12368, 15460, 16024, 20030, 30920, 32048, 40060, 61840, 80120, 160240, 1548319, 3096638, 6193276, 7741595, 12386552, 15483190, 24773104, 30966380, 61932760, 123865520]

約数ペア:

[(1, 123865520), (2, 61932760), (4, 30966380), (5, 24773104), (8, 15483190), (10, 12386552), (16, 7741595), (20, 6193276), (40, 3096638), (80, 1548319), (773, 160240), (1546, 80120), (2003, 61840), (3092, 40060), (3865, 32048), (4006, 30920), (6184, 20030), (7730, 16024), (8012, 15460), (10015, 12368)]