51330040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 118972800

約数和(自身を除く): 67642760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 107, 134, 179, 214, 268, 335, 358, 428, 535, 536, 670, 716, 856, 895, 1070, 1340, 1432, 1790, 2140, 2680, 3580, 4280, 7160, 7169, 11993, 14338, 19153, 23986, 28676, 35845, 38306, 47972, 57352, 59965, 71690, 76612, 95765, 95944, 119930, 143380, 153224, 191530, 239860, 286760, 383060, 479720, 766120, 1283251, 2566502, 5133004, 6416255, 10266008, 12832510, 25665020, 51330040]

約数ペア:

[(1, 51330040), (2, 25665020), (4, 12832510), (5, 10266008), (8, 6416255), (10, 5133004), (20, 2566502), (40, 1283251), (67, 766120), (107, 479720), (134, 383060), (179, 286760), (214, 239860), (268, 191530), (335, 153224), (358, 143380), (428, 119930), (535, 95944), (536, 95765), (670, 76612), (716, 71690), (856, 59965), (895, 57352), (1070, 47972), (1340, 38306), (1432, 35845), (1790, 28676), (2140, 23986), (2680, 19153), (3580, 14338), (4280, 11993), (7160, 7169)]