800355520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80681}}^1$

素因数の和:80729

約数の個数: 56

約数和(自身を含む): 1967349888

約数和(自身を除く): 1166994368

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, 80681, 161362, 322724, 403405, 645448, 806810, 1290896, 1613620, 2501111, 2581792, 3227240, 5002222, 5163584, 6454480, 10004444, 12505555, 12908960, 20008888, 25011110, 25817920, 40017776, 50022220, 80035552, 100044440, 160071104, 200088880, 400177760, 800355520]

約数ペア:

[(1, 800355520), (2, 400177760), (4, 200088880), (5, 160071104), (8, 100044440), (10, 80035552), (16, 50022220), (20, 40017776), (31, 25817920), (32, 25011110), (40, 20008888), (62, 12908960), (64, 12505555), (80, 10004444), (124, 6454480), (155, 5163584), (160, 5002222), (248, 3227240), (310, 2581792), (320, 2501111), (496, 1613620), (620, 1290896), (992, 806810), (1240, 645448), (1984, 403405), (2480, 322724), (4960, 161362), (9920, 80681)]