18663200

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:630

約数の個数: 72

約数和(自身を含む): 46754820

約数和(自身を除く): 28091620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 569, 656, 800, 820, 1025, 1138, 1312, 1640, 2050, 2276, 2845, 3280, 4100, 4552, 5690, 6560, 8200, 9104, 11380, 14225, 16400, 18208, 22760, 23329, 28450, 32800, 45520, 46658, 56900, 91040, 93316, 113800, 116645, 186632, 227600, 233290, 373264, 455200, 466580, 583225, 746528, 933160, 1166450, 1866320, 2332900, 3732640, 4665800, 9331600, 18663200]

約数ペア:

[(1, 18663200), (2, 9331600), (4, 4665800), (5, 3732640), (8, 2332900), (10, 1866320), (16, 1166450), (20, 933160), (25, 746528), (32, 583225), (40, 466580), (41, 455200), (50, 373264), (80, 233290), (82, 227600), (100, 186632), (160, 116645), (164, 113800), (200, 93316), (205, 91040), (328, 56900), (400, 46658), (410, 45520), (569, 32800), (656, 28450), (800, 23329), (820, 22760), (1025, 18208), (1138, 16400), (1312, 14225), (1640, 11380), (2050, 9104), (2276, 8200), (2845, 6560), (3280, 5690), (4100, 4552)]