99110120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 230307840

約数和(自身を除く): 131197720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 223, 271, 328, 410, 446, 542, 820, 892, 1084, 1115, 1355, 1640, 1784, 2168, 2230, 2710, 4460, 5420, 8920, 9143, 10840, 11111, 18286, 22222, 36572, 44444, 45715, 55555, 60433, 73144, 88888, 91430, 111110, 120866, 182860, 222220, 241732, 302165, 365720, 444440, 483464, 604330, 1208660, 2417320, 2477753, 4955506, 9911012, 12388765, 19822024, 24777530, 49555060, 99110120]

約数ペア:

[(1, 99110120), (2, 49555060), (4, 24777530), (5, 19822024), (8, 12388765), (10, 9911012), (20, 4955506), (40, 2477753), (41, 2417320), (82, 1208660), (164, 604330), (205, 483464), (223, 444440), (271, 365720), (328, 302165), (410, 241732), (446, 222220), (542, 182860), (820, 120866), (892, 111110), (1084, 91430), (1115, 88888), (1355, 73144), (1640, 60433), (1784, 55555), (2168, 45715), (2230, 44444), (2710, 36572), (4460, 22222), (5420, 18286), (8920, 11111), (9143, 10840)]