19833200

素因数分解:

$2^4\times 5^2\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:474

約数の個数: 60

約数和(自身を含む): 48088440

約数和(自身を除く): 28255240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 179, 200, 277, 358, 400, 554, 716, 895, 1108, 1385, 1432, 1790, 2216, 2770, 2864, 3580, 4432, 4475, 5540, 6925, 7160, 8950, 11080, 13850, 14320, 17900, 22160, 27700, 35800, 49583, 55400, 71600, 99166, 110800, 198332, 247915, 396664, 495830, 793328, 991660, 1239575, 1983320, 2479150, 3966640, 4958300, 9916600, 19833200]

約数ペア:

[(1, 19833200), (2, 9916600), (4, 4958300), (5, 3966640), (8, 2479150), (10, 1983320), (16, 1239575), (20, 991660), (25, 793328), (40, 495830), (50, 396664), (80, 247915), (100, 198332), (179, 110800), (200, 99166), (277, 71600), (358, 55400), (400, 49583), (554, 35800), (716, 27700), (895, 22160), (1108, 17900), (1385, 14320), (1432, 13850), (1790, 11080), (2216, 8950), (2770, 7160), (2864, 6925), (3580, 5540), (4432, 4475)]