51042520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 121176000

約数和(自身を除く): 70133480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 218, 230, 436, 460, 509, 545, 872, 920, 1018, 1090, 2036, 2180, 2507, 2545, 4072, 4360, 5014, 5090, 10028, 10180, 11707, 12535, 20056, 20360, 23414, 25070, 46828, 50140, 55481, 58535, 93656, 100280, 110962, 117070, 221924, 234140, 277405, 443848, 468280, 554810, 1109620, 1276063, 2219240, 2552126, 5104252, 6380315, 10208504, 12760630, 25521260, 51042520]

約数ペア:

[(1, 51042520), (2, 25521260), (4, 12760630), (5, 10208504), (8, 6380315), (10, 5104252), (20, 2552126), (23, 2219240), (40, 1276063), (46, 1109620), (92, 554810), (109, 468280), (115, 443848), (184, 277405), (218, 234140), (230, 221924), (436, 117070), (460, 110962), (509, 100280), (545, 93656), (872, 58535), (920, 55481), (1018, 50140), (1090, 46828), (2036, 25070), (2180, 23414), (2507, 20360), (2545, 20056), (4072, 12535), (4360, 11707), (5014, 10180), (5090, 10028)]