27888560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{49801}}^1$

素因数の和:49821

約数の個数: 40

約数和(自身を含む): 74105376

約数和(自身を除く): 46216816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 49801, 99602, 199204, 249005, 348607, 398408, 498010, 697214, 796816, 996020, 1394428, 1743035, 1992040, 2788856, 3486070, 3984080, 5577712, 6972140, 13944280, 27888560]

約数ペア:

[(1, 27888560), (2, 13944280), (4, 6972140), (5, 5577712), (7, 3984080), (8, 3486070), (10, 2788856), (14, 1992040), (16, 1743035), (20, 1394428), (28, 996020), (35, 796816), (40, 697214), (56, 498010), (70, 398408), (80, 348607), (112, 249005), (140, 199204), (280, 99602), (560, 49801)]