164028680

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{9133}}^1$

素因数の和:9593

約数の個数: 32

約数和(自身を含む): 369927000

約数和(自身を除く): 205898320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 8980, 9133, 17960, 18266, 36532, 45665, 73064, 91330, 182660, 365320, 4100717, 8201434, 16402868, 20503585, 32805736, 41007170, 82014340, 164028680]

約数ペア:

[(1, 164028680), (2, 82014340), (4, 41007170), (5, 32805736), (8, 20503585), (10, 16402868), (20, 8201434), (40, 4100717), (449, 365320), (898, 182660), (1796, 91330), (2245, 73064), (3592, 45665), (4490, 36532), (8980, 18266), (9133, 17960)]