81008200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4487

約数の個数: 96

約数和(自身を含む): 231860160

約数和(自身を除く): 150851960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1300, 1400, 1820, 2275, 2600, 3640, 4451, 4550, 8902, 9100, 17804, 18200, 22255, 31157, 35608, 44510, 57863, 62314, 89020, 111275, 115726, 124628, 155785, 178040, 222550, 231452, 249256, 289315, 311570, 405041, 445100, 462904, 578630, 623140, 778925, 810082, 890200, 1157260, 1246280, 1446575, 1557850, 1620164, 2025205, 2314520, 2893150, 3115700, 3240328, 4050410, 5786300, 6231400, 8100820, 10126025, 11572600, 16201640, 20252050, 40504100, 81008200]

約数ペア:

[(1, 81008200), (2, 40504100), (4, 20252050), (5, 16201640), (7, 11572600), (8, 10126025), (10, 8100820), (13, 6231400), (14, 5786300), (20, 4050410), (25, 3240328), (26, 3115700), (28, 2893150), (35, 2314520), (40, 2025205), (50, 1620164), (52, 1557850), (56, 1446575), (65, 1246280), (70, 1157260), (91, 890200), (100, 810082), (104, 778925), (130, 623140), (140, 578630), (175, 462904), (182, 445100), (200, 405041), (260, 311570), (280, 289315), (325, 249256), (350, 231452), (364, 222550), (455, 178040), (520, 155785), (650, 124628), (700, 115726), (728, 111275), (910, 89020), (1300, 62314), (1400, 57863), (1820, 44510), (2275, 35608), (2600, 31157), (3640, 22255), (4451, 18200), (4550, 17804), (8902, 9100)]