57120040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 137064960

約数和(自身を除く): 79944920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1321, 1880, 2162, 2642, 4324, 5284, 5405, 6605, 8648, 10568, 10810, 13210, 21620, 26420, 30383, 43240, 52840, 60766, 62087, 121532, 124174, 151915, 243064, 248348, 303830, 310435, 496696, 607660, 620870, 1215320, 1241740, 1428001, 2483480, 2856002, 5712004, 7140005, 11424008, 14280010, 28560020, 57120040]

約数ペア:

[(1, 57120040), (2, 28560020), (4, 14280010), (5, 11424008), (8, 7140005), (10, 5712004), (20, 2856002), (23, 2483480), (40, 1428001), (46, 1241740), (47, 1215320), (92, 620870), (94, 607660), (115, 496696), (184, 310435), (188, 303830), (230, 248348), (235, 243064), (376, 151915), (460, 124174), (470, 121532), (920, 62087), (940, 60766), (1081, 52840), (1321, 43240), (1880, 30383), (2162, 26420), (2642, 21620), (4324, 13210), (5284, 10810), (5405, 10568), (6605, 8648)]