51871820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2591}}^1$

素因数の和:2631

約数の個数: 96

約数和(自身を含む): 146313216

約数和(自身を除く): 94441396

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2591, 2860, 4004, 5005, 5182, 10010, 10364, 12955, 18137, 20020, 25910, 28501, 33683, 36274, 51820, 57002, 67366, 72548, 90685, 114004, 134732, 142505, 168415, 181370, 199507, 235781, 285010, 336830, 362740, 370513, 399014, 471562, 570020, 673660, 741026, 798028, 943124, 997535, 1178905, 1482052, 1852565, 1995070, 2357810, 2593591, 3705130, 3990140, 4715620, 5187182, 7410260, 10374364, 12967955, 25935910, 51871820]

約数ペア:

[(1, 51871820), (2, 25935910), (4, 12967955), (5, 10374364), (7, 7410260), (10, 5187182), (11, 4715620), (13, 3990140), (14, 3705130), (20, 2593591), (22, 2357810), (26, 1995070), (28, 1852565), (35, 1482052), (44, 1178905), (52, 997535), (55, 943124), (65, 798028), (70, 741026), (77, 673660), (91, 570020), (110, 471562), (130, 399014), (140, 370513), (143, 362740), (154, 336830), (182, 285010), (220, 235781), (260, 199507), (286, 181370), (308, 168415), (364, 142505), (385, 134732), (455, 114004), (572, 90685), (715, 72548), (770, 67366), (910, 57002), (1001, 51820), (1430, 36274), (1540, 33683), (1820, 28501), (2002, 25910), (2591, 20020), (2860, 18137), (4004, 12955), (5005, 10364), (5182, 10010)]