19752320

素因数分解:

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

素因数の和:4435

約数の個数: 64

約数和(自身を含む): 53978400

約数和(自身を除く): 34226080

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, 4409, 4480, 8818, 17636, 22045, 30863, 35272, 44090, 61726, 70544, 88180, 123452, 141088, 154315, 176360, 246904, 282176, 308630, 352720, 493808, 564352, 617260, 705440, 987616, 1234520, 1410880, 1975232, 2469040, 2821760, 3950464, 4938080, 9876160, 19752320]

約数ペア:

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