31821440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{7103}}^1$

素因数の和:7129

約数の個数: 64

約数和(自身を含む): 86952960

約数和(自身を除く): 55131520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 7103, 14206, 28412, 35515, 49721, 56824, 71030, 99442, 113648, 142060, 198884, 227296, 248605, 284120, 397768, 454592, 497210, 568240, 795536, 909184, 994420, 1136480, 1591072, 1988840, 2272960, 3182144, 3977680, 4545920, 6364288, 7955360, 15910720, 31821440]

約数ペア:

[(1, 31821440), (2, 15910720), (4, 7955360), (5, 6364288), (7, 4545920), (8, 3977680), (10, 3182144), (14, 2272960), (16, 1988840), (20, 1591072), (28, 1136480), (32, 994420), (35, 909184), (40, 795536), (56, 568240), (64, 497210), (70, 454592), (80, 397768), (112, 284120), (128, 248605), (140, 227296), (160, 198884), (224, 142060), (280, 113648), (320, 99442), (448, 71030), (560, 56824), (640, 49721), (896, 35515), (1120, 28412), (2240, 14206), (4480, 7103)]