40399040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 112

約数和(自身を含む): 109728000

約数和(自身を除く): 69328960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 499, 506, 704, 736, 880, 920, 998, 1012, 1265, 1472, 1760, 1840, 1996, 2024, 2495, 2530, 3520, 3680, 3992, 4048, 4990, 5060, 5489, 7360, 7984, 8096, 9980, 10120, 10978, 11477, 15968, 16192, 19960, 20240, 21956, 22954, 27445, 31936, 39920, 40480, 43912, 45908, 54890, 57385, 79840, 80960, 87824, 91816, 109780, 114770, 126247, 159680, 175648, 183632, 219560, 229540, 252494, 351296, 367264, 439120, 459080, 504988, 631235, 734528, 878240, 918160, 1009976, 1262470, 1756480, 1836320, 2019952, 2524940, 3672640, 4039904, 5049880, 8079808, 10099760, 20199520, 40399040]

約数ペア:

[(1, 40399040), (2, 20199520), (4, 10099760), (5, 8079808), (8, 5049880), (10, 4039904), (11, 3672640), (16, 2524940), (20, 2019952), (22, 1836320), (23, 1756480), (32, 1262470), (40, 1009976), (44, 918160), (46, 878240), (55, 734528), (64, 631235), (80, 504988), (88, 459080), (92, 439120), (110, 367264), (115, 351296), (160, 252494), (176, 229540), (184, 219560), (220, 183632), (230, 175648), (253, 159680), (320, 126247), (352, 114770), (368, 109780), (440, 91816), (460, 87824), (499, 80960), (506, 79840), (704, 57385), (736, 54890), (880, 45908), (920, 43912), (998, 40480), (1012, 39920), (1265, 31936), (1472, 27445), (1760, 22954), (1840, 21956), (1996, 20240), (2024, 19960), (2495, 16192), (2530, 15968), (3520, 11477), (3680, 10978), (3992, 10120), (4048, 9980), (4990, 8096), (5060, 7984), (5489, 7360)]