39504640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4409}}^1$

素因数の和:4437

約数の個数: 72

約数和(自身を含む): 108168480

約数和(自身を除く): 68663840

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4409, 4480, 8818, 8960, 17636, 22045, 30863, 35272, 44090, 61726, 70544, 88180, 123452, 141088, 154315, 176360, 246904, 282176, 308630, 352720, 493808, 564352, 617260, 705440, 987616, 1128704, 1234520, 1410880, 1975232, 2469040, 2821760, 3950464, 4938080, 5643520, 7900928, 9876160, 19752320, 39504640]

約数ペア:

[(1, 39504640), (2, 19752320), (4, 9876160), (5, 7900928), (7, 5643520), (8, 4938080), (10, 3950464), (14, 2821760), (16, 2469040), (20, 1975232), (28, 1410880), (32, 1234520), (35, 1128704), (40, 987616), (56, 705440), (64, 617260), (70, 564352), (80, 493808), (112, 352720), (128, 308630), (140, 282176), (160, 246904), (224, 176360), (256, 154315), (280, 141088), (320, 123452), (448, 88180), (560, 70544), (640, 61726), (896, 44090), (1120, 35272), (1280, 30863), (1792, 22045), (2240, 17636), (4409, 8960), (4480, 8818)]