40675520

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1609}}^1$

素因数の和:1705

約数の個数: 56

約数和(自身を含む): 98145600

約数和(自身を除く): 57470080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 1609, 2528, 3160, 3218, 5056, 6320, 6436, 8045, 12640, 12872, 16090, 25280, 25744, 32180, 51488, 64360, 102976, 127111, 128720, 254222, 257440, 508444, 514880, 635555, 1016888, 1271110, 2033776, 2542220, 4067552, 5084440, 8135104, 10168880, 20337760, 40675520]

約数ペア:

[(1, 40675520), (2, 20337760), (4, 10168880), (5, 8135104), (8, 5084440), (10, 4067552), (16, 2542220), (20, 2033776), (32, 1271110), (40, 1016888), (64, 635555), (79, 514880), (80, 508444), (158, 257440), (160, 254222), (316, 128720), (320, 127111), (395, 102976), (632, 64360), (790, 51488), (1264, 32180), (1580, 25744), (1609, 25280), (2528, 16090), (3160, 12872), (3218, 12640), (5056, 8045), (6320, 6436)]