128875120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{146449}}^1$

素因数の和:146473

約数の個数: 40

約数和(自身を含む): 326876400

約数和(自身を除く): 198001280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 146449, 292898, 585796, 732245, 1171592, 1464490, 1610939, 2343184, 2928980, 3221878, 5857960, 6443756, 8054695, 11715920, 12887512, 16109390, 25775024, 32218780, 64437560, 128875120]

約数ペア:

[(1, 128875120), (2, 64437560), (4, 32218780), (5, 25775024), (8, 16109390), (10, 12887512), (11, 11715920), (16, 8054695), (20, 6443756), (22, 5857960), (40, 3221878), (44, 2928980), (55, 2343184), (80, 1610939), (88, 1464490), (110, 1171592), (176, 732245), (220, 585796), (440, 292898), (880, 146449)]