11390920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 26853120

約数和(自身を除く): 15462200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 83, 94, 146, 166, 188, 235, 292, 332, 365, 376, 415, 470, 584, 664, 730, 830, 940, 1460, 1660, 1880, 2920, 3320, 3431, 3901, 6059, 6862, 7802, 12118, 13724, 15604, 17155, 19505, 24236, 27448, 30295, 31208, 34310, 39010, 48472, 60590, 68620, 78020, 121180, 137240, 156040, 242360, 284773, 569546, 1139092, 1423865, 2278184, 2847730, 5695460, 11390920]

約数ペア:

[(1, 11390920), (2, 5695460), (4, 2847730), (5, 2278184), (8, 1423865), (10, 1139092), (20, 569546), (40, 284773), (47, 242360), (73, 156040), (83, 137240), (94, 121180), (146, 78020), (166, 68620), (188, 60590), (235, 48472), (292, 39010), (332, 34310), (365, 31208), (376, 30295), (415, 27448), (470, 24236), (584, 19505), (664, 17155), (730, 15604), (830, 13724), (940, 12118), (1460, 7802), (1660, 6862), (1880, 6059), (2920, 3901), (3320, 3431)]