16518080

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1317

約数の個数: 56

約数和(自身を含む): 40325040

約数和(自身を除く): 23806960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1259, 1312, 1640, 2518, 2624, 3280, 5036, 6295, 6560, 10072, 12590, 13120, 20144, 25180, 40288, 50360, 51619, 80576, 100720, 103238, 201440, 206476, 258095, 402880, 412952, 516190, 825904, 1032380, 1651808, 2064760, 3303616, 4129520, 8259040, 16518080]

約数ペア:

[(1, 16518080), (2, 8259040), (4, 4129520), (5, 3303616), (8, 2064760), (10, 1651808), (16, 1032380), (20, 825904), (32, 516190), (40, 412952), (41, 402880), (64, 258095), (80, 206476), (82, 201440), (160, 103238), (164, 100720), (205, 80576), (320, 51619), (328, 50360), (410, 40288), (656, 25180), (820, 20144), (1259, 13120), (1312, 12590), (1640, 10072), (2518, 6560), (2624, 6295), (3280, 5036)]