80004400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28573}}^1$

素因数の和:28598

約数の個数: 60

約数和(自身を含む): 219676912

約数和(自身を除く): 139672512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 28573, 57146, 114292, 142865, 200011, 228584, 285730, 400022, 457168, 571460, 714325, 800044, 1000055, 1142920, 1428650, 1600088, 2000110, 2285840, 2857300, 3200176, 4000220, 5000275, 5714600, 8000440, 10000550, 11429200, 16000880, 20001100, 40002200, 80004400]

約数ペア:

[(1, 80004400), (2, 40002200), (4, 20001100), (5, 16000880), (7, 11429200), (8, 10000550), (10, 8000440), (14, 5714600), (16, 5000275), (20, 4000220), (25, 3200176), (28, 2857300), (35, 2285840), (40, 2000110), (50, 1600088), (56, 1428650), (70, 1142920), (80, 1000055), (100, 800044), (112, 714325), (140, 571460), (175, 457168), (200, 400022), (280, 285730), (350, 228584), (400, 200011), (560, 142865), (700, 114292), (1400, 57146), (2800, 28573)]