51021520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1628

約数の個数: 80

約数和(自身を含む): 132991488

約数和(自身を除く): 81969968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1567, 1628, 2035, 2960, 3134, 3256, 4070, 6268, 6512, 7835, 8140, 12536, 15670, 16280, 17237, 25072, 31340, 32560, 34474, 57979, 62680, 68948, 86185, 115958, 125360, 137896, 172370, 231916, 275792, 289895, 344740, 463832, 579790, 637769, 689480, 927664, 1159580, 1275538, 1378960, 2319160, 2551076, 3188845, 4638320, 5102152, 6377690, 10204304, 12755380, 25510760, 51021520]

約数ペア:

[(1, 51021520), (2, 25510760), (4, 12755380), (5, 10204304), (8, 6377690), (10, 5102152), (11, 4638320), (16, 3188845), (20, 2551076), (22, 2319160), (37, 1378960), (40, 1275538), (44, 1159580), (55, 927664), (74, 689480), (80, 637769), (88, 579790), (110, 463832), (148, 344740), (176, 289895), (185, 275792), (220, 231916), (296, 172370), (370, 137896), (407, 125360), (440, 115958), (592, 86185), (740, 68948), (814, 62680), (880, 57979), (1480, 34474), (1567, 32560), (1628, 31340), (2035, 25072), (2960, 17237), (3134, 16280), (3256, 15670), (4070, 12536), (6268, 8140), (6512, 7835)]