803648960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81013}}^1$

素因数の和:81061

約数の個数: 56

約数和(自身を含む): 1975445376

約数和(自身を除く): 1171796416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 81013, 162026, 324052, 405065, 648104, 810130, 1296208, 1620260, 2511403, 2592416, 3240520, 5022806, 5184832, 6481040, 10045612, 12557015, 12962080, 20091224, 25114030, 25924160, 40182448, 50228060, 80364896, 100456120, 160729792, 200912240, 401824480, 803648960]

約数ペア:

[(1, 803648960), (2, 401824480), (4, 200912240), (5, 160729792), (8, 100456120), (10, 80364896), (16, 50228060), (20, 40182448), (31, 25924160), (32, 25114030), (40, 20091224), (62, 12962080), (64, 12557015), (80, 10045612), (124, 6481040), (155, 5184832), (160, 5022806), (248, 3240520), (310, 2592416), (320, 2511403), (496, 1620260), (620, 1296208), (992, 810130), (1240, 648104), (1984, 405065), (2480, 324052), (4960, 162026), (9920, 81013)]