18610400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:604

約数の個数: 72

約数和(自身を含む): 46575144

約数和(自身を除く): 27964744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 541, 688, 800, 860, 1075, 1082, 1376, 1720, 2150, 2164, 2705, 3440, 4300, 4328, 5410, 6880, 8600, 8656, 10820, 13525, 17200, 17312, 21640, 23263, 27050, 34400, 43280, 46526, 54100, 86560, 93052, 108200, 116315, 186104, 216400, 232630, 372208, 432800, 465260, 581575, 744416, 930520, 1163150, 1861040, 2326300, 3722080, 4652600, 9305200, 18610400]

約数ペア:

[(1, 18610400), (2, 9305200), (4, 4652600), (5, 3722080), (8, 2326300), (10, 1861040), (16, 1163150), (20, 930520), (25, 744416), (32, 581575), (40, 465260), (43, 432800), (50, 372208), (80, 232630), (86, 216400), (100, 186104), (160, 116315), (172, 108200), (200, 93052), (215, 86560), (344, 54100), (400, 46526), (430, 43280), (541, 34400), (688, 27050), (800, 23263), (860, 21640), (1075, 17312), (1082, 17200), (1376, 13525), (1720, 10820), (2150, 8656), (2164, 8600), (2705, 6880), (3440, 5410), (4300, 4328)]