20414000

素因数分解:

$2^4\times 5^3\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 80

約数和(自身を含む): 50487840

約数和(自身を除く): 30073840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 125, 173, 200, 236, 250, 295, 346, 400, 472, 500, 590, 692, 865, 944, 1000, 1180, 1384, 1475, 1730, 2000, 2360, 2768, 2950, 3460, 4325, 4720, 5900, 6920, 7375, 8650, 10207, 11800, 13840, 14750, 17300, 20414, 21625, 23600, 29500, 34600, 40828, 43250, 51035, 59000, 69200, 81656, 86500, 102070, 118000, 163312, 173000, 204140, 255175, 346000, 408280, 510350, 816560, 1020700, 1275875, 2041400, 2551750, 4082800, 5103500, 10207000, 20414000]

約数ペア:

[(1, 20414000), (2, 10207000), (4, 5103500), (5, 4082800), (8, 2551750), (10, 2041400), (16, 1275875), (20, 1020700), (25, 816560), (40, 510350), (50, 408280), (59, 346000), (80, 255175), (100, 204140), (118, 173000), (125, 163312), (173, 118000), (200, 102070), (236, 86500), (250, 81656), (295, 69200), (346, 59000), (400, 51035), (472, 43250), (500, 40828), (590, 34600), (692, 29500), (865, 23600), (944, 21625), (1000, 20414), (1180, 17300), (1384, 14750), (1475, 13840), (1730, 11800), (2000, 10207), (2360, 8650), (2768, 7375), (2950, 6920), (3460, 5900), (4325, 4720)]