1427575720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1\times {\mathrm{937}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 3297445200

約数和(自身を除く): 1869869480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 929, 937, 1640, 1858, 1874, 3716, 3748, 4645, 4685, 7432, 7496, 9290, 9370, 18580, 18740, 37160, 37480, 38089, 38417, 76178, 76834, 152356, 153668, 190445, 192085, 304712, 307336, 380890, 384170, 761780, 768340, 870473, 1523560, 1536680, 1740946, 3481892, 4352365, 6963784, 8704730, 17409460, 34818920, 35689393, 71378786, 142757572, 178446965, 285515144, 356893930, 713787860, 1427575720]

約数ペア:

[(1, 1427575720), (2, 713787860), (4, 356893930), (5, 285515144), (8, 178446965), (10, 142757572), (20, 71378786), (40, 35689393), (41, 34818920), (82, 17409460), (164, 8704730), (205, 6963784), (328, 4352365), (410, 3481892), (820, 1740946), (929, 1536680), (937, 1523560), (1640, 870473), (1858, 768340), (1874, 761780), (3716, 384170), (3748, 380890), (4645, 307336), (4685, 304712), (7432, 192085), (7496, 190445), (9290, 153668), (9370, 152356), (18580, 76834), (18740, 76178), (37160, 38417), (37480, 38089)]