51931880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1339

約数の個数: 128

約数和(自身を含む): 157006080

約数和(自身を除く): 105074200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1297, 1430, 1540, 1820, 2002, 2594, 2860, 3080, 3640, 4004, 5005, 5188, 5720, 6485, 8008, 9079, 10010, 10376, 12970, 14267, 16861, 18158, 20020, 25940, 28534, 33722, 36316, 40040, 45395, 51880, 57068, 67444, 71335, 72632, 84305, 90790, 99869, 114136, 118027, 134888, 142670, 168610, 181580, 185471, 199738, 236054, 285340, 337220, 363160, 370942, 399476, 472108, 499345, 570680, 590135, 674440, 741884, 798952, 927355, 944216, 998690, 1180270, 1298297, 1483768, 1854710, 1997380, 2360540, 2596594, 3709420, 3994760, 4721080, 5193188, 6491485, 7418840, 10386376, 12982970, 25965940, 51931880]

約数ペア:

[(1, 51931880), (2, 25965940), (4, 12982970), (5, 10386376), (7, 7418840), (8, 6491485), (10, 5193188), (11, 4721080), (13, 3994760), (14, 3709420), (20, 2596594), (22, 2360540), (26, 1997380), (28, 1854710), (35, 1483768), (40, 1298297), (44, 1180270), (52, 998690), (55, 944216), (56, 927355), (65, 798952), (70, 741884), (77, 674440), (88, 590135), (91, 570680), (104, 499345), (110, 472108), (130, 399476), (140, 370942), (143, 363160), (154, 337220), (182, 285340), (220, 236054), (260, 199738), (280, 185471), (286, 181580), (308, 168610), (364, 142670), (385, 134888), (440, 118027), (455, 114136), (520, 99869), (572, 90790), (616, 84305), (715, 72632), (728, 71335), (770, 67444), (910, 57068), (1001, 51880), (1144, 45395), (1297, 40040), (1430, 36316), (1540, 33722), (1820, 28534), (2002, 25940), (2594, 20020), (2860, 18158), (3080, 16861), (3640, 14267), (4004, 12970), (5005, 10376), (5188, 10010), (5720, 9079), (6485, 8008)]