18641200

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1607}}^1$

素因数の和:1654

約数の個数: 60

約数和(自身を含む): 46358640

約数和(自身を除く): 27717440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 1607, 2320, 2900, 3214, 5800, 6428, 8035, 11600, 12856, 16070, 25712, 32140, 40175, 46603, 64280, 80350, 93206, 128560, 160700, 186412, 233015, 321400, 372824, 466030, 642800, 745648, 932060, 1165075, 1864120, 2330150, 3728240, 4660300, 9320600, 18641200]

約数ペア:

[(1, 18641200), (2, 9320600), (4, 4660300), (5, 3728240), (8, 2330150), (10, 1864120), (16, 1165075), (20, 932060), (25, 745648), (29, 642800), (40, 466030), (50, 372824), (58, 321400), (80, 233015), (100, 186412), (116, 160700), (145, 128560), (200, 93206), (232, 80350), (290, 64280), (400, 46603), (464, 40175), (580, 32140), (725, 25712), (1160, 16070), (1450, 12856), (1607, 11600), (2320, 8035), (2900, 6428), (3214, 5800)]