16377040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4993}}^1$

素因数の和:5047

約数の個数: 40

約数和(自身を含む): 39013128

約数和(自身を除く): 22636088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4993, 9986, 19972, 24965, 39944, 49930, 79888, 99860, 199720, 204713, 399440, 409426, 818852, 1023565, 1637704, 2047130, 3275408, 4094260, 8188520, 16377040]

約数ペア:

[(1, 16377040), (2, 8188520), (4, 4094260), (5, 3275408), (8, 2047130), (10, 1637704), (16, 1023565), (20, 818852), (40, 409426), (41, 399440), (80, 204713), (82, 199720), (164, 99860), (205, 79888), (328, 49930), (410, 39944), (656, 24965), (820, 19972), (1640, 9986), (3280, 4993)]