40423240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 110315520

約数和(自身を除く): 69892280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 37, 40, 44, 52, 55, 65, 74, 88, 104, 110, 130, 143, 148, 185, 191, 220, 260, 286, 296, 370, 382, 407, 440, 481, 520, 572, 715, 740, 764, 814, 955, 962, 1144, 1430, 1480, 1528, 1628, 1910, 1924, 2035, 2101, 2405, 2483, 2860, 3256, 3820, 3848, 4070, 4202, 4810, 4966, 5291, 5720, 7067, 7640, 8140, 8404, 9620, 9932, 10505, 10582, 12415, 14134, 16280, 16808, 19240, 19864, 21010, 21164, 24830, 26455, 27313, 28268, 35335, 42020, 42328, 49660, 52910, 54626, 56536, 70670, 77737, 84040, 91871, 99320, 105820, 109252, 136565, 141340, 155474, 183742, 211640, 218504, 273130, 282680, 310948, 367484, 388685, 459355, 546260, 621896, 734968, 777370, 918710, 1010581, 1092520, 1554740, 1837420, 2021162, 3109480, 3674840, 4042324, 5052905, 8084648, 10105810, 20211620, 40423240]

約数ペア:

[(1, 40423240), (2, 20211620), (4, 10105810), (5, 8084648), (8, 5052905), (10, 4042324), (11, 3674840), (13, 3109480), (20, 2021162), (22, 1837420), (26, 1554740), (37, 1092520), (40, 1010581), (44, 918710), (52, 777370), (55, 734968), (65, 621896), (74, 546260), (88, 459355), (104, 388685), (110, 367484), (130, 310948), (143, 282680), (148, 273130), (185, 218504), (191, 211640), (220, 183742), (260, 155474), (286, 141340), (296, 136565), (370, 109252), (382, 105820), (407, 99320), (440, 91871), (481, 84040), (520, 77737), (572, 70670), (715, 56536), (740, 54626), (764, 52910), (814, 49660), (955, 42328), (962, 42020), (1144, 35335), (1430, 28268), (1480, 27313), (1528, 26455), (1628, 24830), (1910, 21164), (1924, 21010), (2035, 19864), (2101, 19240), (2405, 16808), (2483, 16280), (2860, 14134), (3256, 12415), (3820, 10582), (3848, 10505), (4070, 9932), (4202, 9620), (4810, 8404), (4966, 8140), (5291, 7640), (5720, 7067)]