89950720

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 80

約数和(自身を含む): 221188968

約数和(自身を除く): 131238248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 857, 1280, 1312, 1640, 1714, 2560, 2624, 3280, 3428, 4285, 5248, 6560, 6856, 8570, 10496, 13120, 13712, 17140, 20992, 26240, 27424, 34280, 35137, 52480, 54848, 68560, 70274, 104960, 109696, 137120, 140548, 175685, 219392, 274240, 281096, 351370, 438784, 548480, 562192, 702740, 1096960, 1124384, 1405480, 2193920, 2248768, 2810960, 4497536, 5621920, 8995072, 11243840, 17990144, 22487680, 44975360, 89950720]

約数ペア:

[(1, 89950720), (2, 44975360), (4, 22487680), (5, 17990144), (8, 11243840), (10, 8995072), (16, 5621920), (20, 4497536), (32, 2810960), (40, 2248768), (41, 2193920), (64, 1405480), (80, 1124384), (82, 1096960), (128, 702740), (160, 562192), (164, 548480), (205, 438784), (256, 351370), (320, 281096), (328, 274240), (410, 219392), (512, 175685), (640, 140548), (656, 137120), (820, 109696), (857, 104960), (1280, 70274), (1312, 68560), (1640, 54848), (1714, 52480), (2560, 35137), (2624, 34280), (3280, 27424), (3428, 26240), (4285, 20992), (5248, 17140), (6560, 13712), (6856, 13120), (8570, 10496)]