80202080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:832

約数の個数: 96

約数和(自身を含む): 218998080

約数和(自身を除く): 138796000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 101, 112, 140, 160, 202, 224, 280, 404, 505, 560, 707, 709, 808, 1010, 1120, 1414, 1418, 1616, 2020, 2828, 2836, 3232, 3535, 3545, 4040, 4963, 5656, 5672, 7070, 7090, 8080, 9926, 11312, 11344, 14140, 14180, 16160, 19852, 22624, 22688, 24815, 28280, 28360, 39704, 49630, 56560, 56720, 71609, 79408, 99260, 113120, 113440, 143218, 158816, 198520, 286436, 358045, 397040, 501263, 572872, 716090, 794080, 1002526, 1145744, 1432180, 2005052, 2291488, 2506315, 2864360, 4010104, 5012630, 5728720, 8020208, 10025260, 11457440, 16040416, 20050520, 40101040, 80202080]

約数ペア:

[(1, 80202080), (2, 40101040), (4, 20050520), (5, 16040416), (7, 11457440), (8, 10025260), (10, 8020208), (14, 5728720), (16, 5012630), (20, 4010104), (28, 2864360), (32, 2506315), (35, 2291488), (40, 2005052), (56, 1432180), (70, 1145744), (80, 1002526), (101, 794080), (112, 716090), (140, 572872), (160, 501263), (202, 397040), (224, 358045), (280, 286436), (404, 198520), (505, 158816), (560, 143218), (707, 113440), (709, 113120), (808, 99260), (1010, 79408), (1120, 71609), (1414, 56720), (1418, 56560), (1616, 49630), (2020, 39704), (2828, 28360), (2836, 28280), (3232, 24815), (3535, 22688), (3545, 22624), (4040, 19852), (4963, 16160), (5656, 14180), (5672, 14140), (7070, 11344), (7090, 11312), (8080, 9926)]