40800760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1061

約数の個数: 128

約数和(自身を含む): 123379200

約数和(自身を除く): 82578440

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, 1019, 1144, 1430, 1540, 1820, 2002, 2038, 2860, 3080, 3640, 4004, 4076, 5005, 5095, 5720, 7133, 8008, 8152, 10010, 10190, 11209, 13247, 14266, 20020, 20380, 22418, 26494, 28532, 35665, 40040, 40760, 44836, 52988, 56045, 57064, 66235, 71330, 78463, 89672, 92729, 105976, 112090, 132470, 142660, 145717, 156926, 185458, 224180, 264940, 285320, 291434, 313852, 370916, 392315, 448360, 463645, 529880, 582868, 627704, 728585, 741832, 784630, 927290, 1020019, 1165736, 1457170, 1569260, 1854580, 2040038, 2914340, 3138520, 3709160, 4080076, 5100095, 5828680, 8160152, 10200190, 20400380, 40800760]

約数ペア:

[(1, 40800760), (2, 20400380), (4, 10200190), (5, 8160152), (7, 5828680), (8, 5100095), (10, 4080076), (11, 3709160), (13, 3138520), (14, 2914340), (20, 2040038), (22, 1854580), (26, 1569260), (28, 1457170), (35, 1165736), (40, 1020019), (44, 927290), (52, 784630), (55, 741832), (56, 728585), (65, 627704), (70, 582868), (77, 529880), (88, 463645), (91, 448360), (104, 392315), (110, 370916), (130, 313852), (140, 291434), (143, 285320), (154, 264940), (182, 224180), (220, 185458), (260, 156926), (280, 145717), (286, 142660), (308, 132470), (364, 112090), (385, 105976), (440, 92729), (455, 89672), (520, 78463), (572, 71330), (616, 66235), (715, 57064), (728, 56045), (770, 52988), (910, 44836), (1001, 40760), (1019, 40040), (1144, 35665), (1430, 28532), (1540, 26494), (1820, 22418), (2002, 20380), (2038, 20020), (2860, 14266), (3080, 13247), (3640, 11209), (4004, 10190), (4076, 10010), (5005, 8152), (5095, 8008), (5720, 7133)]