15988000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{571}}^1$

素因数の和:603

約数の個数: 96

約数和(自身を含む): 44972928

約数和(自身を除く): 28984928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 571, 700, 800, 875, 1000, 1120, 1142, 1400, 1750, 2000, 2284, 2800, 2855, 3500, 3997, 4000, 4568, 5600, 5710, 7000, 7994, 9136, 11420, 14000, 14275, 15988, 18272, 19985, 22840, 28000, 28550, 31976, 39970, 45680, 57100, 63952, 71375, 79940, 91360, 99925, 114200, 127904, 142750, 159880, 199850, 228400, 285500, 319760, 399700, 456800, 499625, 571000, 639520, 799400, 999250, 1142000, 1598800, 1998500, 2284000, 3197600, 3997000, 7994000, 15988000]

約数ペア:

[(1, 15988000), (2, 7994000), (4, 3997000), (5, 3197600), (7, 2284000), (8, 1998500), (10, 1598800), (14, 1142000), (16, 999250), (20, 799400), (25, 639520), (28, 571000), (32, 499625), (35, 456800), (40, 399700), (50, 319760), (56, 285500), (70, 228400), (80, 199850), (100, 159880), (112, 142750), (125, 127904), (140, 114200), (160, 99925), (175, 91360), (200, 79940), (224, 71375), (250, 63952), (280, 57100), (350, 45680), (400, 39970), (500, 31976), (560, 28550), (571, 28000), (700, 22840), (800, 19985), (875, 18272), (1000, 15988), (1120, 14275), (1142, 14000), (1400, 11420), (1750, 9136), (2000, 7994), (2284, 7000), (2800, 5710), (2855, 5600), (3500, 4568), (3997, 4000)]