2381440

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^2$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 5787990

約数和(自身を除く): 3406550

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3721, 3904, 4880, 7442, 7808, 9760, 14884, 18605, 19520, 29768, 37210, 39040, 59536, 74420, 119072, 148840, 238144, 297680, 476288, 595360, 1190720, 2381440]

約数ペア:

[(1, 2381440), (2, 1190720), (4, 595360), (5, 476288), (8, 297680), (10, 238144), (16, 148840), (20, 119072), (32, 74420), (40, 59536), (61, 39040), (64, 37210), (80, 29768), (122, 19520), (128, 18605), (160, 14884), (244, 9760), (305, 7808), (320, 7442), (488, 4880), (610, 3904), (640, 3721), (976, 2440), (1220, 1952)]