172168720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24181}}^1$

素因数の和:24283

約数の個数: 40

約数和(自身を含む): 404806680

約数和(自身を除く): 232637960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 24181, 48362, 96724, 120905, 193448, 241810, 386896, 483620, 967240, 1934480, 2152109, 4304218, 8608436, 10760545, 17216872, 21521090, 34433744, 43042180, 86084360, 172168720]

約数ペア:

[(1, 172168720), (2, 86084360), (4, 43042180), (5, 34433744), (8, 21521090), (10, 17216872), (16, 10760545), (20, 8608436), (40, 4304218), (80, 2152109), (89, 1934480), (178, 967240), (356, 483620), (445, 386896), (712, 241810), (890, 193448), (1424, 120905), (1780, 96724), (3560, 48362), (7120, 24181)]