22178600

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 51944220

約数和(自身を除く): 29765620

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 641, 692, 865, 1282, 1384, 1730, 2564, 3205, 3460, 4325, 5128, 6410, 6920, 8650, 12820, 16025, 17300, 25640, 32050, 34600, 64100, 110893, 128200, 221786, 443572, 554465, 887144, 1108930, 2217860, 2772325, 4435720, 5544650, 11089300, 22178600]

約数ペア:

[(1, 22178600), (2, 11089300), (4, 5544650), (5, 4435720), (8, 2772325), (10, 2217860), (20, 1108930), (25, 887144), (40, 554465), (50, 443572), (100, 221786), (173, 128200), (200, 110893), (346, 64100), (641, 34600), (692, 32050), (865, 25640), (1282, 17300), (1384, 16025), (1730, 12820), (2564, 8650), (3205, 6920), (3460, 6410), (4325, 5128)]