38157880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 89812800

約数和(自身を除く): 51654920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 439, 530, 820, 878, 1060, 1640, 1756, 2120, 2173, 2195, 3512, 4346, 4390, 8692, 8780, 10865, 17384, 17560, 17999, 21730, 23267, 35998, 43460, 46534, 71996, 86920, 89995, 93068, 116335, 143992, 179990, 186136, 232670, 359980, 465340, 719960, 930680, 953947, 1907894, 3815788, 4769735, 7631576, 9539470, 19078940, 38157880]

約数ペア:

[(1, 38157880), (2, 19078940), (4, 9539470), (5, 7631576), (8, 4769735), (10, 3815788), (20, 1907894), (40, 953947), (41, 930680), (53, 719960), (82, 465340), (106, 359980), (164, 232670), (205, 186136), (212, 179990), (265, 143992), (328, 116335), (410, 93068), (424, 89995), (439, 86920), (530, 71996), (820, 46534), (878, 43460), (1060, 35998), (1640, 23267), (1756, 21730), (2120, 17999), (2173, 17560), (2195, 17384), (3512, 10865), (4346, 8780), (4390, 8692)]