22001840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 59192640

約数和(自身を除く): 37190800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 389, 404, 505, 560, 707, 778, 808, 1010, 1414, 1556, 1616, 1945, 2020, 2723, 2828, 3112, 3535, 3890, 4040, 5446, 5656, 6224, 7070, 7780, 8080, 10892, 11312, 13615, 14140, 15560, 21784, 27230, 28280, 31120, 39289, 43568, 54460, 56560, 78578, 108920, 157156, 196445, 217840, 275023, 314312, 392890, 550046, 628624, 785780, 1100092, 1375115, 1571560, 2200184, 2750230, 3143120, 4400368, 5500460, 11000920, 22001840]

約数ペア:

[(1, 22001840), (2, 11000920), (4, 5500460), (5, 4400368), (7, 3143120), (8, 2750230), (10, 2200184), (14, 1571560), (16, 1375115), (20, 1100092), (28, 785780), (35, 628624), (40, 550046), (56, 392890), (70, 314312), (80, 275023), (101, 217840), (112, 196445), (140, 157156), (202, 108920), (280, 78578), (389, 56560), (404, 54460), (505, 43568), (560, 39289), (707, 31120), (778, 28280), (808, 27230), (1010, 21784), (1414, 15560), (1556, 14140), (1616, 13615), (1945, 11312), (2020, 10892), (2723, 8080), (2828, 7780), (3112, 7070), (3535, 6224), (3890, 5656), (4040, 5446)]