11391920

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1077

約数の個数: 40

約数和(自身を含む): 26684304

約数和(自身を除く): 15292384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 907, 1256, 1570, 1814, 2512, 3140, 3628, 4535, 6280, 7256, 9070, 12560, 14512, 18140, 36280, 72560, 142399, 284798, 569596, 711995, 1139192, 1423990, 2278384, 2847980, 5695960, 11391920]

約数ペア:

[(1, 11391920), (2, 5695960), (4, 2847980), (5, 2278384), (8, 1423990), (10, 1139192), (16, 711995), (20, 569596), (40, 284798), (80, 142399), (157, 72560), (314, 36280), (628, 18140), (785, 14512), (907, 12560), (1256, 9070), (1570, 7256), (1814, 6280), (2512, 4535), (3140, 3628)]