128027320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{168457}}^1$

素因数の和:168487

約数の個数: 32

約数和(自身を含む): 303224400

約数和(自身を除く): 175197080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 168457, 336914, 673828, 842285, 1347656, 1684570, 3200683, 3369140, 6401366, 6738280, 12802732, 16003415, 25605464, 32006830, 64013660, 128027320]

約数ペア:

[(1, 128027320), (2, 64013660), (4, 32006830), (5, 25605464), (8, 16003415), (10, 12802732), (19, 6738280), (20, 6401366), (38, 3369140), (40, 3200683), (76, 1684570), (95, 1347656), (152, 842285), (190, 673828), (380, 336914), (760, 168457)]