39975040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{8923}}^1$

素因数の和:8949

約数の個数: 64

約数和(自身を含む): 109229760

約数和(自身を除く): 69254720

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, 8923, 17846, 35692, 44615, 62461, 71384, 89230, 124922, 142768, 178460, 249844, 285536, 312305, 356920, 499688, 571072, 624610, 713840, 999376, 1142144, 1249220, 1427680, 1998752, 2498440, 2855360, 3997504, 4996880, 5710720, 7995008, 9993760, 19987520, 39975040]

約数ペア:

[(1, 39975040), (2, 19987520), (4, 9993760), (5, 7995008), (7, 5710720), (8, 4996880), (10, 3997504), (14, 2855360), (16, 2498440), (20, 1998752), (28, 1427680), (32, 1249220), (35, 1142144), (40, 999376), (56, 713840), (64, 624610), (70, 571072), (80, 499688), (112, 356920), (128, 312305), (140, 285536), (160, 249844), (224, 178460), (280, 142768), (320, 124922), (448, 89230), (560, 71384), (640, 62461), (896, 44615), (1120, 35692), (2240, 17846), (4480, 8923)]