16568440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 26977160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1259, 1316, 1645, 1880, 2518, 2632, 3290, 5036, 6295, 6580, 8813, 10072, 12590, 13160, 17626, 25180, 35252, 44065, 50360, 59173, 70504, 88130, 118346, 176260, 236692, 295865, 352520, 414211, 473384, 591730, 828422, 1183460, 1656844, 2071055, 2366920, 3313688, 4142110, 8284220, 16568440]

約数ペア:

[(1, 16568440), (2, 8284220), (4, 4142110), (5, 3313688), (7, 2366920), (8, 2071055), (10, 1656844), (14, 1183460), (20, 828422), (28, 591730), (35, 473384), (40, 414211), (47, 352520), (56, 295865), (70, 236692), (94, 176260), (140, 118346), (188, 88130), (235, 70504), (280, 59173), (329, 50360), (376, 44065), (470, 35252), (658, 25180), (940, 17626), (1259, 13160), (1316, 12590), (1645, 10072), (1880, 8813), (2518, 6580), (2632, 6295), (3290, 5036)]