67545040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20593}}^1$

素因数の和:20647

約数の個数: 40

約数和(自身を含む): 160880328

約数和(自身を除く): 93335288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20593, 41186, 82372, 102965, 164744, 205930, 329488, 411860, 823720, 844313, 1647440, 1688626, 3377252, 4221565, 6754504, 8443130, 13509008, 16886260, 33772520, 67545040]

約数ペア:

[(1, 67545040), (2, 33772520), (4, 16886260), (5, 13509008), (8, 8443130), (10, 6754504), (16, 4221565), (20, 3377252), (40, 1688626), (41, 1647440), (80, 844313), (82, 823720), (164, 411860), (205, 329488), (328, 205930), (410, 164744), (656, 102965), (820, 82372), (1640, 41186), (3280, 20593)]