16872320

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 41383440

約数和(自身を除く): 24511120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 643, 656, 820, 1286, 1312, 1640, 2572, 2624, 3215, 3280, 5144, 5248, 6430, 6560, 10288, 12860, 13120, 20576, 25720, 26240, 26363, 41152, 51440, 52726, 82304, 102880, 105452, 131815, 205760, 210904, 263630, 411520, 421808, 527260, 843616, 1054520, 1687232, 2109040, 3374464, 4218080, 8436160, 16872320]

約数ペア:

[(1, 16872320), (2, 8436160), (4, 4218080), (5, 3374464), (8, 2109040), (10, 1687232), (16, 1054520), (20, 843616), (32, 527260), (40, 421808), (41, 411520), (64, 263630), (80, 210904), (82, 205760), (128, 131815), (160, 105452), (164, 102880), (205, 82304), (320, 52726), (328, 51440), (410, 41152), (640, 26363), (643, 26240), (656, 25720), (820, 20576), (1286, 13120), (1312, 12860), (1640, 10288), (2572, 6560), (2624, 6430), (3215, 5248), (3280, 5144)]